55556288 has 28 divisors (see below), whose sum is σ = 112120680. Its totient is φ = 27305472.

The previous prime is 55556279. The next prime is 55556311. The reversal of 55556288 is 88265555.

55556288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55556288² = 6173002272677888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581 + ... + 11132.

It is an arithmetic number, because the mean of its divisors is an integer number (4004310).

Almost surely, 2^55556288 is an apocalyptic number.

It is an amenable number.

55556288 is an abundant number, since it is smaller than the sum of its proper divisors (56564392).

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

55556288 is a wasteful number, since it uses less digits than its factorization.

55556288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784 (or 14774 counting only the distinct ones).

The product of its digits is 480000, while the sum is 44.

The square root of 55556288 is about 7453.6090587044. The cubic root of 55556288 is about 381.5730910562.

The spelling of 55556288 in words is "fifty-five million, five hundred fifty-six thousand, two hundred eighty-eight".