55303888 has 40 divisors (see below), whose sum is σ = 110082240. Its totient is φ = 26906880.

The previous prime is 55303879. The next prime is 55303921. The reversal of 55303888 is 88830355.

It is a self number, because there is not a number n which added to its sum of digits gives 55303888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100831 + ... + 101377.

It is an arithmetic number, because the mean of its divisors is an integer number (2752056).

Almost surely, 2^55303888 is an apocalyptic number.

It is an amenable number.

55303888 is a deficient number, since it is larger than the sum of its proper divisors (54778352).

55303888 is a wasteful number, since it uses less digits than its factorization.

55303888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 55303888 is about 7436.6583893574. The cubic root of 55303888 is about 380.9943670906.

The spelling of 55303888 in words is "fifty-five million, three hundred three thousand, eight hundred eighty-eight".