57355864 has 16 divisors (see below), whose sum is σ = 107892720. Its totient is φ = 28584480.

The previous prime is 57355849. The next prime is 57355873. The reversal of 57355864 is 46855375.

It is a self number, because there is not a number n which added to its sum of digits gives 57355864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9039 + ... + 14014.

It is an arithmetic number, because the mean of its divisors is an integer number (6743295).

Almost surely, 2^57355864 is an apocalyptic number.

It is an amenable number.

57355864 is a deficient number, since it is larger than the sum of its proper divisors (50536856).

57355864 is a wasteful number, since it uses less digits than its factorization.

57355864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23370 (or 23366 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 57355864 is about 7573.3654342043. The cubic root of 57355864 is about 385.6493544891.

The spelling of 57355864 in words is "fifty-seven million, three hundred fifty-five thousand, eight hundred sixty-four".