56586520 has 16 divisors (see below), whose sum is σ = 127319760. Its totient is φ = 22634592.

The previous prime is 56586499. The next prime is 56586527. The reversal of 56586520 is 2568565.

It is a self number, because there is not a number n which added to its sum of digits gives 56586520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56586527) 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, 707292 + ... + 707371.

It is an arithmetic number, because the mean of its divisors is an integer number (7957485).

Almost surely, 2^56586520 is an apocalyptic number.

It is an amenable number.

56586520 is an abundant number, since it is smaller than the sum of its proper divisors (70733240).

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

56586520 is a wasteful number, since it uses less digits than its factorization.

56586520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414674 (or 1414670 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 56586520 is about 7522.4012123789. The cubic root of 56586520 is about 383.9172818066.

The spelling of 56586520 in words is "fifty-six million, five hundred eighty-six thousand, five hundred twenty".