55299984 has 40 divisors (see below), whose sum is σ = 147788160. Its totient is φ = 17797248.

The previous prime is 55299973. The next prime is 55300033. The reversal of 55299984 is 48999255.

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, 18472 + ... + 21255.

It is an arithmetic number, because the mean of its divisors is an integer number (3694704).

Almost surely, 2^55299984 is an apocalyptic number.

It is an amenable number.

55299984 is an abundant number, since it is smaller than the sum of its proper divisors (92488176).

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

55299984 is a wasteful number, since it uses less digits than its factorization.

55299984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39767 (or 39761 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 55299984 is about 7436.3959012414. The cubic root of 55299984 is about 380.9854018559.

The spelling of 55299984 in words is "fifty-five million, two hundred ninety-nine thousand, nine hundred eighty-four".