56031696 has 120 divisors (see below), whose sum is σ = 187160640. Its totient is φ = 16003008.

The previous prime is 56031667. The next prime is 56031737. The reversal of 56031696 is 69613065.

56031696 is a `hidden beast` number, since 560 + 3 + 1 + 6 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56031696.

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, 19845 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (1559672).

Almost surely, 2^56031696 is an apocalyptic number.

56031696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56031696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93580320).

56031696 is an abundant number, since it is smaller than the sum of its proper divisors (131128944).

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

56031696 is a wasteful number, since it uses less digits than its factorization.

56031696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2659 counting only the distinct ones).

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

The square root of 56031696 is about 7485.4322520480. The cubic root of 56031696 is about 382.6584042105.

The spelling of 56031696 in words is "fifty-six million, thirty-one thousand, six hundred ninety-six".