56917632 has 64 divisors (see below), whose sum is σ = 160099200. Its totient is φ = 17854464.

The previous prime is 56917631. The next prime is 56917657. The reversal of 56917632 is 23671965.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (56917631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (2501550).

Almost surely, 2^56917632 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 56917632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80049600).

56917632 is an abundant number, since it is smaller than the sum of its proper divisors (103181568).

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

56917632 is a wasteful number, since it uses less digits than its factorization.

56917632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753 (or 8741 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 56917632 is about 7544.3775091123. The cubic root of 56917632 is about 384.6646475402.

The spelling of 56917632 in words is "fifty-six million, nine hundred seventeen thousand, six hundred thirty-two".