56551544 has 32 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 24087264.

The previous prime is 56551529. The next prime is 56551553. The reversal of 56551544 is 44515565.

It is a congruent number.

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, 6329 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^56551544 is an apocalyptic number.

It is an amenable number.

56551544 is an abundant number, since it is smaller than the sum of its proper divisors (65376136).

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

56551544 is a wasteful number, since it uses less digits than its factorization.

56551544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227 (or 6223 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 56551544 is about 7520.0760634451. The cubic root of 56551544 is about 383.8381660362.

The spelling of 56551544 in words is "fifty-six million, five hundred fifty-one thousand, five hundred forty-four".