56565312 has 56 divisors (see below), whose sum is σ = 154838400. Its totient is φ = 18203136.

The previous prime is 56565287. The next prime is 56565329. The reversal of 56565312 is 21356565.

56565312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 489 + ... + 10647.

Almost surely, 2^56565312 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 56565312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77419200).

56565312 is an abundant number, since it is smaller than the sum of its proper divisors (98273088).

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

56565312 is a wasteful number, since it uses less digits than its factorization.

56565312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203 (or 10193 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 56565312 is about 7520.9914240079. The cubic root of 56565312 is about 383.8693131672.

The spelling of 56565312 in words is "fifty-six million, five hundred sixty-five thousand, three hundred twelve".