55122808 has 16 divisors (see below), whose sum is σ = 111305880. Its totient is φ = 25441248.

The previous prime is 55122787. The next prime is 55122827. The reversal of 55122808 is 80822155.

55122808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55122808.

It is a congruent number.

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, 264910 + ... + 265117.

Almost surely, 2^55122808 is an apocalyptic number.

It is an amenable number.

55122808 is an abundant number, since it is smaller than the sum of its proper divisors (56183072).

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

55122808 is a wasteful number, since it uses less digits than its factorization.

55122808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530046 (or 530042 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 55122808 is about 7424.4735840327. The cubic root of 55122808 is about 380.5780859597.

The spelling of 55122808 in words is "fifty-five million, one hundred twenty-two thousand, eight hundred eight".