56831316 has 24 divisors (see below), whose sum is σ = 133783104. Its totient is φ = 18775680.

The previous prime is 56831309. The next prime is 56831351. The reversal of 56831316 is 61313865.

56831316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 19600 + ... + 22311.

It is an arithmetic number, because the mean of its divisors is an integer number (5574296).

Almost surely, 2^56831316 is an apocalyptic number.

It is an amenable number.

56831316 is an abundant number, since it is smaller than the sum of its proper divisors (76951788).

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

56831316 is a wasteful number, since it uses less digits than its factorization.

56831316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42031 (or 42029 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 56831316 is about 7538.6547871620. The cubic root of 56831316 is about 384.4701002576.

The spelling of 56831316 in words is "fifty-six million, eight hundred thirty-one thousand, three hundred sixteen".