55588888 has 8 divisors (see below), whose sum is σ = 104229180. Its totient is φ = 27794440.

The previous prime is 55588867. The next prime is 55588913. The reversal of 55588888 is 88888555.

55588888 is nontrivially palindromic in base 3.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474298 + ... + 3474313.

Almost surely, 2^55588888 is an apocalyptic number.

It is an amenable number.

55588888 is a deficient number, since it is larger than the sum of its proper divisors (48640292).

55588888 is a wasteful number, since it uses less digits than its factorization.

55588888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948617 (or 6948613 counting only the distinct ones).

The product of its digits is 4096000, while the sum is 55.

The square root of 55588888 is about 7455.7955980566. The cubic root of 55588888 is about 381.6477111753.

The spelling of 55588888 in words is "fifty-five million, five hundred eighty-eight thousand, eight hundred eighty-eight".