56731368 has 16 divisors (see below), whose sum is σ = 141828480. Its totient is φ = 18910448.

The previous prime is 56731361. The next prime is 56731369. The reversal of 56731368 is 86313765.

56731368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56731361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1181880 + ... + 1181927.

It is an arithmetic number, because the mean of its divisors is an integer number (8864280).

Almost surely, 2^56731368 is an apocalyptic number.

It is an amenable number.

56731368 is an abundant number, since it is smaller than the sum of its proper divisors (85097112).

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

56731368 is a wasteful number, since it uses less digits than its factorization.

56731368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363816 (or 2363812 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 56731368 is about 7532.0228358655. The cubic root of 56731368 is about 384.2445815985.

The spelling of 56731368 in words is "fifty-six million, seven hundred thirty-one thousand, three hundred sixty-eight".