56657792 has 32 divisors (see below), whose sum is σ = 114254280. Its totient is φ = 27982336.

The previous prime is 56657761. The next prime is 56657803. The reversal of 56657792 is 29775665.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7958 + ... + 13290.

Almost surely, 2^56657792 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 56657792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57127140).

56657792 is an abundant number, since it is smaller than the sum of its proper divisors (57596488).

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

56657792 is an equidigital number, since it uses as much as digits as its factorization.

56657792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430 (or 5418 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The square root of 56657792 is about 7527.1370387419. The cubic root of 56657792 is about 384.0783983448.

The spelling of 56657792 in words is "fifty-six million, six hundred fifty-seven thousand, seven hundred ninety-two".