57556164 has 24 divisors (see below), whose sum is σ = 137928448. Its totient is φ = 18666720.

The previous prime is 57556159. The next prime is 57556183. The reversal of 57556164 is 46165575.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64372 + ... + 65259.

Almost surely, 2^57556164 is an apocalyptic number.

It is an amenable number.

57556164 is an abundant number, since it is smaller than the sum of its proper divisors (80372284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57556164 is a wasteful number, since it uses less digits than its factorization.

57556164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129675 (or 129673 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 57556164 is about 7586.5778846592. The cubic root of 57556164 is about 386.0977586252.

The spelling of 57556164 in words is "fifty-seven million, five hundred fifty-six thousand, one hundred sixty-four".