56604644 has 6 divisors (see below), whose sum is σ = 99058134. Its totient is φ = 28302320.

The previous prime is 56604643. The next prime is 56604649. The reversal of 56604644 is 44640665.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 18164644 = 6200^2 + 4262^2 .

It is not an unprimeable number, because it can be changed into a prime (56604643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075577 + ... + 7075584.

It is an arithmetic number, because the mean of its divisors is an integer number (16509689).

Almost surely, 2^56604644 is an apocalyptic number.

It is an amenable number.

56604644 is a deficient number, since it is larger than the sum of its proper divisors (42453490).

56604644 is a wasteful number, since it uses less digits than its factorization.

56604644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151165 (or 14151163 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 56604644 is about 7523.6057844627. The cubic root of 56604644 is about 383.9582655019.

The spelling of 56604644 in words is "fifty-six million, six hundred four thousand, six hundred forty-four".