57172 has 6 divisors (see below), whose sum is σ = 100058. Its totient is φ = 28584.

The previous prime is 57163. The next prime is 57173. The reversal of 57172 is 27175.

It can be written as a sum of positive squares in only one way, i.e., 30276 + 26896 = 174^2 + 164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57173) by changing a digit.

57172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7143 + ... + 7150.

2⁵⁷¹⁷² is an apocalyptic number.

It is an amenable number.

57172 is a deficient number, since it is larger than the sum of its proper divisors (42886).

57172 is a wasteful number, since it uses less digits than its factorization.

57172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14297 (or 14295 counting only the distinct ones).

The product of its digits is 490, while the sum is 22.

The square root of 57172 is about 239.1066707560. The cubic root of 57172 is about 38.5236825113.

The spelling of 57172 in words is "fifty-seven thousand, one hundred seventy-two".