57855712 has 24 divisors (see below), whose sum is σ = 115468416. Its totient is φ = 28530432.

The previous prime is 57855697. The next prime is 57855719. The reversal of 57855712 is 21755875.

57855712 = 854² + 855² + ... + 926².

It is a super-2 number, since 2×57855712² = 6694566822053888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57855719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10048 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (4811184).

Almost surely, 2^57855712 is an apocalyptic number.

It is an amenable number.

57855712 is a deficient number, since it is larger than the sum of its proper divisors (57612704).

57855712 is a wasteful number, since it uses less digits than its factorization.

57855712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850 (or 24842 counting only the distinct ones).

The product of its digits is 98000, while the sum is 40.

The square root of 57855712 is about 7606.2942356972. The cubic root of 57855712 is about 386.7664084084.

The spelling of 57855712 in words is "fifty-seven million, eight hundred fifty-five thousand, seven hundred twelve".