56911608 has 96 divisors (see below), whose sum is σ = 170155440. Its totient is φ = 17072640.

The previous prime is 56911579. The next prime is 56911619. The reversal of 56911608 is 80611965.

It is a super-2 number, since 2×56911608² = 6477862250291328, which contains 22 as substring.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37635 + ... + 39117.

Almost surely, 2^56911608 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 56911608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85077720).

56911608 is an abundant number, since it is smaller than the sum of its proper divisors (113243832).

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

56911608 is a wasteful number, since it uses less digits than its factorization.

56911608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 56911608 is about 7543.9782608382. The cubic root of 56911608 is about 384.6510764580.

The spelling of 56911608 in words is "fifty-six million, nine hundred eleven thousand, six hundred eight".