56365636 has 24 divisors (see below), whose sum is σ = 100792440. Its totient is φ = 27574272.

The previous prime is 56365619. The next prime is 56365637. The reversal of 56365636 is 63656365.

It can be written as a sum of positive squares in 4 ways, for example, as 1012036 + 55353600 = 1006^2 + 7440^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56365637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39300 + ... + 40708.

It is an arithmetic number, because the mean of its divisors is an integer number (4199685).

Almost surely, 2^56365636 is an apocalyptic number.

It is an amenable number.

56365636 is a deficient number, since it is larger than the sum of its proper divisors (44426804).

56365636 is a wasteful number, since it uses less digits than its factorization.

56365636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1621 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

The square root of 56365636 is about 7507.7051087533. The cubic root of 56365636 is about 383.4170933959.

The spelling of 56365636 in words is "fifty-six million, three hundred sixty-five thousand, six hundred thirty-six".