I. | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
: being one more than 56 in number
fifty-seven years
— see number table
II. pronoun, plural in construction
: 57 countable persons or things not specified but under consideration and being enumerated
fifty-seven are here
fifty-seven were found
III. noun
1. : seven and 50 : three times 19
2.
a. : 57 units or objects
a total of fifty-seven
b. : a group or set of 57
3. : the numerable quantity symbolized by the arabic numerals 57
4. : the 57th in a set or series