56555388 has 48 divisors (see below), whose sum is σ = 150598560. Its totient is φ = 18340992.

The previous prime is 56555341. The next prime is 56555393. The reversal of 56555388 is 88355565.

56555388 is a `hidden beast` number, since 565 + 5 + 5 + 3 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3081 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (3137470).

Almost surely, 2^56555388 is an apocalyptic number.

It is an amenable number.

56555388 is an abundant number, since it is smaller than the sum of its proper divisors (94043172).

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

56555388 is a wasteful number, since it uses less digits than its factorization.

56555388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14203 (or 14195 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 56555388 is about 7520.3316416233. The cubic root of 56555388 is about 383.8468627659.

The spelling of 56555388 in words is "fifty-six million, five hundred fifty-five thousand, three hundred eighty-eight".