55303080 has 64 divisors (see below), whose sum is σ = 189613440. Its totient is φ = 12640512.

The previous prime is 55303043. The next prime is 55303097. The reversal of 55303080 is 8030355.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 55303080.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32079 + ... + 33758.

It is an arithmetic number, because the mean of its divisors is an integer number (2962710).

Almost surely, 2^55303080 is an apocalyptic number.

It is an amenable number.

55303080 is an abundant number, since it is smaller than the sum of its proper divisors (134310360).

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

55303080 is a wasteful number, since it uses less digits than its factorization.

55303080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65858 (or 65854 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55303080 is about 7436.6040636839. The cubic root of 55303080 is about 380.9925116156.

The spelling of 55303080 in words is "fifty-five million, three hundred three thousand, eighty".