56731044 has 48 divisors (see below), whose sum is σ = 137704896. Its totient is φ = 18163200.

The previous prime is 56731033. The next prime is 56731099. The reversal of 56731044 is 44013765.

It is a super-2 number, since 2×56731044² = 6436822706659872, which contains 22 as substring.

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, 32104 + ... + 33824.

It is an arithmetic number, because the mean of its divisors is an integer number (2868852).

Almost surely, 2^56731044 is an apocalyptic number.

It is an amenable number.

56731044 is an abundant number, since it is smaller than the sum of its proper divisors (80973852).

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

56731044 is a wasteful number, since it uses less digits than its factorization.

56731044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 56731044 is about 7532.0013276685. The cubic root of 56731044 is about 384.2438501073.

The spelling of 56731044 in words is "fifty-six million, seven hundred thirty-one thousand, forty-four".