57942564 has 24 divisors (see below), whose sum is σ = 135357600. Its totient is φ = 19291584.

The previous prime is 57942559. The next prime is 57942581. The reversal of 57942564 is 46524975.

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, 10287 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (5639900).

Almost surely, 2^57942564 is an apocalyptic number.

It is an amenable number.

57942564 is an abundant number, since it is smaller than the sum of its proper divisors (77415036).

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

57942564 is a wasteful number, since it uses less digits than its factorization.

57942564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659 (or 5657 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 57942564 is about 7612.0013137151. The cubic root of 57942564 is about 386.9598473388.

The spelling of 57942564 in words is "fifty-seven million, nine hundred forty-two thousand, five hundred sixty-four".