57 (fifty-seven) is a positive integer following 56 and preceding 58. Its ordinal form is written "fifty-seventh" or 57th.

Properties Edit

57 is a odd composite number.

The integral part of 180/π is equal to 57.

In googology Edit

In Greek-based number-naming systems, 57 is associated with prefix "heptapentaconta-", and with prefix "septemquinquaginti-" in Latin systems.