56604641 has 16 divisors (see below), whose sum is σ = 60126528. Its totient is φ = 53222400.

The previous prime is 56604631. The next prime is 56604643. The reversal of 56604641 is 14640665.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56604641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56604598 and 56604607.

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 in 15 ways as a sum of consecutive naturals, for example, 170846 + ... + 171176.

It is an arithmetic number, because the mean of its divisors is an integer number (3757908).

Almost surely, 2^56604641 is an apocalyptic number.

It is an amenable number.

56604641 is a deficient number, since it is larger than the sum of its proper divisors (3521887).

56604641 is a wasteful number, since it uses less digits than its factorization.

56604641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 56604641 is about 7523.6055850902. The cubic root of 56604641 is about 383.9582587188.

It can be divided in two parts, 5660 and 4641, that added together give a palindrome (10301).

The spelling of 56604641 in words is "fifty-six million, six hundred four thousand, six hundred forty-one".