# 57 (number)

57 (fifty-seven) is the natural number following 56 and preceding 58. It is a composite number.

## In mathematics

57 is semiprime a Blum integer, and a Leyland number.
The split Lie algebra E$_{⁠7+1/2⁠}$ has a 57-dimensional Heisenberg algebra as its nilradical, and the smallest possible homogeneous space for E$_8$ is also 57-dimensional.
Although fifty-seven is not prime, it is jokingly known as the Grothendieck prime after a legend according to which the mathematician Alexander Grothendieck supposedly gave it as an example of a particular prime number. The error was committed by another famous mathematician Hermann Weyl in a published article.

## In science

* The atomic number of lanthanum (La), the first of the lanthanides

### Astronomy

* Messier object M57, a magnitude 9.5 planetary nebula in the constellation Lyra, also known as the Ring Nebula
* The New General Catalogue object NGC 57, an elliptical galaxy in the constellation Pisces.

## In fiction and media
### In films

* Passenger 57, a film starring Wesley Snipes
* In the movie Contagion, Vaccine #57 successfully protects the lab monkey from infection.
* The Terminal (2004) starring Tom Hanks. There are 57 members of the jazz band that Viktor Navorski carries a picture of with him.
* in the movie Eraser (1996), the weapons trade operation took place at the Baltimore Docks, Pier 57.

### In games

* In the game Hollow Knight, a character named Zote the Mighty has 57 precepts, all of which offer rather humorous, lackluster, or completely bad advice to the player.

### In literature

* In Rudyard Kipling's short story "The Man Who Would Be King", the character Peachy states: "This business is our Fifty-Seven" after he and Daniel are discovered to be men, not gods. This alludes to the Indian Rebellion in 1857, or India's First War of Independence, against British Rule.
* B'hrian Bloodaxe, the first Low King of the dwarfs, killed 57 trolls in the legendary Battle of Koom Valley on Discworld (a fictional world created by author Terry Pratchett)

### In radio

* The Fabulous 57 were disk jockeys on WMCA 570 Radio, New York City during the 1960s

### In television

* Agent 57 is the name of the master of disguise in the television series Danger Mouse
* Exit 57, a sketch comedy show that aired on Comedy Central from 1995 to 1996 featured Stephen Colbert, Paul Dinello, Jodi Lennon, Mitch Rouse and Amy Sedaris
* The 57th Overlanders is a fictional brigade mentioned in the television series Firefly.
* West 57 was a weekly news-magazine show on CBS, 1985–89, hosted by Meredith Vieira
* The Cartoon Network program Metalocalypse has a fictional television station WHYK-57
* A Robot Chicken parody of the NBC TV series Heroes uses the episode title "Chapter Fifty-Seven: Uncle Glen"
* Studio 57 was a dramatic anthology series in 1954, starring Brian Keith and Carolyn Jones

## In food

* Heinz 57, a brand of sauce, and the number of varieties of foods claimed to be produced by the H.J. Heinz Company

## In music

* "Incident on 57th Street", a song by Bruce Springsteen and the E Street Band, from their 1973 album, The Wild, the Innocent and the E Street Shuffle
* "57 Channels (And Nothin' On)", a song by Bruce Springsteen, from his 1992 album Human Touch
* "57", the name of a song by Biffy Clyro on their 2002 debut album, Blackened Sky
* Shure SM57, considered the workhorse of recording microphones

## In organizations

* The number of the French department Moselle

## In places

* Carnegie Hall is on West 57th Street in New York City

## In transportation and vessels

* The model name of a Maybach car
* USS Lake Champlain (CG 57), a Ticonderoga class cruiser in the United States Navy and the third ship to be named Lake Champlain

## In other fields

* The code for international direct dial phone calls to Colombia is 57.
* The number of the laps of the Bahrain Grand Prix.