56489636 has 24 divisors (see below), whose sum is σ = 115737216. Its totient is φ = 23618880.

The previous prime is 56489617. The next prime is 56489647. The reversal of 56489636 is 63698465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23456 + ... + 25751.

It is an arithmetic number, because the mean of its divisors is an integer number (4822384).

Almost surely, 2^56489636 is an apocalyptic number.

It is an amenable number.

56489636 is an abundant number, since it is smaller than the sum of its proper divisors (59247580).

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

56489636 is a wasteful number, since it uses less digits than its factorization.

56489636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49259 (or 49257 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The square root of 56489636 is about 7515.9587545436. The cubic root of 56489636 is about 383.6980500292.

The spelling of 56489636 in words is "fifty-six million, four hundred eighty-nine thousand, six hundred thirty-six".