56818349956 has 9 divisors (see below), whose sum is σ = 99432946711. Its totient is φ = 28408936612.

The previous prime is 56818349941. The next prime is 56818349957. The reversal of 56818349956 is 65994381865.

The square root of 56818349956 is 238366.

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

56818349956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56818349957) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 417141 + ... + 536323.

Almost surely, 2^56818349956 is an apocalyptic number.

56818349956 is the 238366-th square number.

It is an amenable number.

56818349956 is a deficient number, since it is larger than the sum of its proper divisors (42614596755).

56818349956 is an frugal number, since it uses more digits than its factorization.

56818349956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238370 (or 119185 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 64.

Multiplying 56818349956 by its sum of digits (64), we get a square (3636374397184 = 1906928²).

The spelling of 56818349956 in words is "fifty-six billion, eight hundred eighteen million, three hundred forty-nine thousand, nine hundred fifty-six".