56555244 has 36 divisors (see below), whose sum is σ = 144015144. Its totient is φ = 18712512.

The previous prime is 56555221. The next prime is 56555251. The reversal of 56555244 is 44255565.

56555244 is a `hidden beast` number, since 5 + 65 + 552 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56555199 and 56555208.

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, 802 + ... + 10665.

Almost surely, 2^56555244 is an apocalyptic number.

It is an amenable number.

56555244 is an abundant number, since it is smaller than the sum of its proper divisors (87459900).

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

56555244 is a wasteful number, since it uses less digits than its factorization.

56555244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11614 (or 11609 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 56555244 is about 7520.3220675713. The cubic root of 56555244 is about 383.8465369850.

The spelling of 56555244 in words is "fifty-six million, five hundred fifty-five thousand, two hundred forty-four".