56687792 has 80 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 21648384.

The previous prime is 56687791. The next prime is 56687863. The reversal of 56687792 is 29778665.

56687792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56687792.

It is not an unprimeable number, because it can be changed into a prime (56687791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35393 + ... + 36959.

It is an arithmetic number, because the mean of its divisors is an integer number (1749888).

Almost surely, 2^56687792 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 56687792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69995520).

56687792 is an abundant number, since it is smaller than the sum of its proper divisors (83303248).

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

56687792 is a wasteful number, since it uses less digits than its factorization.

56687792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1612 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 56687792 is about 7529.1295645646. The cubic root of 56687792 is about 384.1461755411.

The spelling of 56687792 in words is "fifty-six million, six hundred eighty-seven thousand, seven hundred ninety-two".