56392920 has 96 divisors (see below), whose sum is σ = 184204800. Its totient is φ = 14962176.

The previous prime is 56392879. The next prime is 56392933. The reversal of 56392920 is 2929365.

56392920 is a `hidden beast` number, since 563 + 9 + 2 + 92 + 0 = 666.

It is a super-2 number, since 2×56392920² = 6360322852252800, 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, 137676 + ... + 138084.

It is an arithmetic number, because the mean of its divisors is an integer number (1918800).

Almost surely, 2^56392920 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 56392920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92102400).

56392920 is an abundant number, since it is smaller than the sum of its proper divisors (127811880).

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

56392920 is a wasteful number, since it uses less digits than its factorization.

56392920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 56392920 is about 7509.5219554909. The cubic root of 56392920 is about 383.4789482497.

The spelling of 56392920 in words is "fifty-six million, three hundred ninety-two thousand, nine hundred twenty".