56356624 has 40 divisors (see below), whose sum is σ = 117046080. Its totient is φ = 26218368.

The previous prime is 56356613. The next prime is 56356627. The reversal of 56356624 is 42665365.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (56356627) 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, 11547 + ... + 15685.

It is an arithmetic number, because the mean of its divisors is an integer number (2926152).

Almost surely, 2^56356624 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 56356624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58523040).

56356624 is an abundant number, since it is smaller than the sum of its proper divisors (60689456).

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

56356624 is a wasteful number, since it uses less digits than its factorization.

56356624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207 (or 4201 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 56356624 is about 7507.1049013584. The cubic root of 56356624 is about 383.3966581375.

The spelling of 56356624 in words is "fifty-six million, three hundred fifty-six thousand, six hundred twenty-four".