55239098904 has 80 divisors (see below), whose sum is σ = 168786157320. Its totient is φ = 16739118720.

The previous prime is 55239098857. The next prime is 55239098911. The reversal of 55239098904 is 40989093255.

It is a happy number.

55239098904 is a `hidden beast` number, since 552 + 3 + 9 + 0 + 9 + 89 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3867669 + ... + 3881924.

Almost surely, 2^55239098904 is an apocalyptic number.

55239098904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55239098904 is an abundant number, since it is smaller than the sum of its proper divisors (113547058416).

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

55239098904 is a wasteful number, since it uses less digits than its factorization.

55239098904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749622 (or 7749609 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 55239098904 in words is "fifty-five billion, two hundred thirty-nine million, ninety-eight thousand, nine hundred four".