56455644 has 36 divisors (see below), whose sum is σ = 153238344. Its totient is φ = 16130016.

The previous prime is 56455627. The next prime is 56455697. The reversal of 56455644 is 44655465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47419 + ... + 48594.

Almost surely, 2^56455644 is an apocalyptic number.

It is an amenable number.

56455644 is an abundant number, since it is smaller than the sum of its proper divisors (96782700).

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

56455644 is a wasteful number, since it uses less digits than its factorization.

56455644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96034 (or 96025 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 56455644 is about 7513.6970926435. The cubic root of 56455644 is about 383.6210725988.

The spelling of 56455644 in words is "fifty-six million, four hundred fifty-five thousand, six hundred forty-four".