56986928 has 40 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 26118720.

The previous prime is 56986903. The next prime is 56986973. The reversal of 56986928 is 82968965.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56986928.

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, 6401 + ... + 12447.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^56986928 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 56986928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160).

56986928 is an abundant number, since it is smaller than the sum of its proper divisors (63005392).

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

56986928 is a wasteful number, since it uses less digits than its factorization.

56986928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105 (or 6099 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 56986928 is about 7548.9686712822. The cubic root of 56986928 is about 384.8206912253.

The spelling of 56986928 in words is "fifty-six million, nine hundred eighty-six thousand, nine hundred twenty-eight".