56496564 has 18 divisors (see below), whose sum is σ = 142810850. Its totient is φ = 18832176.

The previous prime is 56496563. The next prime is 56496581. The reversal of 56496564 is 46569465.

56496564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 6200100 = 7092^2 + 2490^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56496563) 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 5 ways as a sum of consecutive naturals, for example, 784639 + ... + 784710.

Almost surely, 2^56496564 is an apocalyptic number.

It is an amenable number.

56496564 is an abundant number, since it is smaller than the sum of its proper divisors (86314286).

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

56496564 is a wasteful number, since it uses less digits than its factorization.

56496564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569359 (or 1569354 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 56496564 is about 7516.4196263913. The cubic root of 56496564 is about 383.7137352157.

The spelling of 56496564 in words is "fifty-six million, four hundred ninety-six thousand, five hundred sixty-four".