56853864 has 48 divisors (see below), whose sum is σ = 154685700. Its totient is φ = 18864384.

The previous prime is 56853859. The next prime is 56853877. The reversal of 56853864 is 46835865.

56853864 is a `hidden beast` number, since 56 + 8 + 538 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55621764 + 1232100 = 7458^2 + 1110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15082 + ... + 18470.

Almost surely, 2^56853864 is an apocalyptic number.

It is an amenable number.

56853864 is an abundant number, since it is smaller than the sum of its proper divisors (97831836).

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

56853864 is a wasteful number, since it uses less digits than its factorization.

56853864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3627 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 56853864 is about 7540.1501311313. The cubic root of 56853864 is about 384.5209401008.

The spelling of 56853864 in words is "fifty-six million, eight hundred fifty-three thousand, eight hundred sixty-four".