55188681324 has 48 divisors (see below), whose sum is σ = 147214771200. Its totient is φ = 15763378176.

The previous prime is 55188681319. The next prime is 55188681377. The reversal of 55188681324 is 42318688155.

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, 180957 + ... + 378315.

It is an arithmetic number, because the mean of its divisors is an integer number (3066974400).

Almost surely, 2^55188681324 is an apocalyptic number.

It is an amenable number.

55188681324 is an abundant number, since it is smaller than the sum of its proper divisors (92026089876).

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

55188681324 is a wasteful number, since it uses less digits than its factorization.

55188681324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200702 (or 200700 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The spelling of 55188681324 in words is "fifty-five billion, one hundred eighty-eight million, six hundred eighty-one thousand, three hundred twenty-four".