56972944 has 80 divisors (see below), whose sum is σ = 136241280. Its totient is φ = 22533120.

The previous prime is 56972939. The next prime is 56972953. The reversal of 56972944 is 44927965.

It is a junction number, because it is equal to n+sod(n) for n = 56972894 and 56972903.

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, 86922 + ... + 87574.

It is an arithmetic number, because the mean of its divisors is an integer number (1703016).

Almost surely, 2^56972944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56972944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68120640).

56972944 is an abundant number, since it is smaller than the sum of its proper divisors (79268336).

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

56972944 is a wasteful number, since it uses less digits than its factorization.

56972944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 56972944 is about 7548.0423952175. The cubic root of 56972944 is about 384.7892116506.

The spelling of 56972944 in words is "fifty-six million, nine hundred seventy-two thousand, nine hundred forty-four".