56312656 has 40 divisors (see below), whose sum is σ = 116510400. Its totient is φ = 26288640.

The previous prime is 56312621. The next prime is 56312657. The reversal of 56312656 is 65621365.

It is a super-2 number, since 2×56312656² = 6342230451548672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56312657) 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, 20280 + ... + 22888.

It is an arithmetic number, because the mean of its divisors is an integer number (2912760).

Almost surely, 2^56312656 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 56312656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58255200).

56312656 is an abundant number, since it is smaller than the sum of its proper divisors (60197744).

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

56312656 is a wasteful number, since it uses less digits than its factorization.

56312656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2701 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 56312656 is about 7504.1759041217. The cubic root of 56312656 is about 383.2969267672.

The spelling of 56312656 in words is "fifty-six million, three hundred twelve thousand, six hundred fifty-six".