56315086864 has 45 divisors (see below), whose sum is σ = 111913962141. Its totient is φ = 27451789440.

The previous prime is 56315086819. The next prime is 56315086871. The reversal of 56315086864 is 46868051365.

The square root of 56315086864 is 237308.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2713576464 + 53601510400 = 52092^2 + 231520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38917789 + ... + 38919235.

Almost surely, 2^56315086864 is an apocalyptic number.

56315086864 is the 237308-th square number.

It is an amenable number.

56315086864 is a deficient number, since it is larger than the sum of its proper divisors (55598875277).

56315086864 is an frugal number, since it uses more digits than its factorization.

56315086864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 56315086864 in words is "fifty-six billion, three hundred fifteen million, eighty-six thousand, eight hundred sixty-four".