56915712 has 108 divisors (see below), whose sum is σ = 187598320. Its totient is φ = 16257024.

The previous prime is 56915687. The next prime is 56915723. The reversal of 56915712 is 21751965.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14364 + ... + 17892.

Almost surely, 2^56915712 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 56915712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93799160).

56915712 is an abundant number, since it is smaller than the sum of its proper divisors (130682608).

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

56915712 is a wasteful number, since it uses less digits than its factorization.

56915712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3541 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 56915712 is about 7544.2502609603. The cubic root of 56915712 is about 384.6603221996.

The spelling of 56915712 in words is "fifty-six million, nine hundred fifteen thousand, seven hundred twelve".