57562920 has 64 divisors (see below), whose sum is σ = 191880000. Its totient is φ = 15349824.

The previous prime is 57562919. The next prime is 57562933. The reversal of 57562920 is 2926575.

57562920 is a `hidden beast` number, since 5 + 7 + 5 + 629 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25570 + ... + 27729.

It is an arithmetic number, because the mean of its divisors is an integer number (2998125).

Almost surely, 2^57562920 is an apocalyptic number.

It is an amenable number.

57562920 is an abundant number, since it is smaller than the sum of its proper divisors (134317080).

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

57562920 is a wasteful number, since it uses less digits than its factorization.

57562920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53319 (or 53309 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 57562920 is about 7587.0231316373. The cubic root of 57562920 is about 386.1128648809.

The spelling of 57562920 in words is "fifty-seven million, five hundred sixty-two thousand, nine hundred twenty".