56711724 has 24 divisors (see below), whose sum is σ = 132464640. Its totient is φ = 18884304.

The previous prime is 56711717. The next prime is 56711731. The reversal of 56711724 is 42711765.

It is an interprime number because it is at equal distance from previous prime (56711717) and next prime (56711731).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14037 + ... + 17619.

It is an arithmetic number, because the mean of its divisors is an integer number (5519360).

Almost surely, 2^56711724 is an apocalyptic number.

It is an amenable number.

56711724 is an abundant number, since it is smaller than the sum of its proper divisors (75752916).

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

56711724 is a wasteful number, since it uses less digits than its factorization.

56711724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909 (or 4907 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 56711724 is about 7530.7186908024. The cubic root of 56711724 is about 384.2002265253.

The spelling of 56711724 in words is "fifty-six million, seven hundred eleven thousand, seven hundred twenty-four".