55564488 has 64 divisors (see below), whose sum is σ = 176400000. Its totient is φ = 15875136.

The previous prime is 55564469. The next prime is 55564499. The reversal of 55564488 is 88446555.

55564488 is a `hidden beast` number, since 5 + 5 + 564 + 4 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16863 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (2756250).

Almost surely, 2^55564488 is an apocalyptic number.

It is an amenable number.

55564488 is an abundant number, since it is smaller than the sum of its proper divisors (120835512).

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

55564488 is a wasteful number, since it uses less digits than its factorization.

55564488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36771 (or 36761 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 55564488 is about 7454.1591075050. The cubic root of 55564488 is about 381.5918632813.

The spelling of 55564488 in words is "fifty-five million, five hundred sixty-four thousand, four hundred eighty-eight".