55899816717924 has 27 divisors (see below), whose sum is σ = 141302427876883. Its totient is φ = 18633257286072.

The previous prime is 55899816717863. The next prime is 55899816717949. The reversal of 55899816717924 is 42971761899855.

The square root of 55899816717924 is 7476618.

It is a perfect power (a square), and thus also a powerful number.

55899816717924 is a `hidden beast` number, since 5 + 589 + 9 + 8 + 1 + 6 + 7 + 1 + 7 + 9 + 24 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44236657 + ... + 45482759.

Almost surely, 2^{55899816717924} is an apocalyptic number.

55899816717924 is the 7476618-th square number.

It is an amenable number.

55899816717924 is an abundant number, since it is smaller than the sum of its proper divisors (85402611158959).

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

55899816717924 is an frugal number, since it uses more digits than its factorization.

55899816717924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492216 (or 1246108 counting only the distinct ones).

The product of its digits is 2743372800, while the sum is 81.

The spelling of 55899816717924 in words is "fifty-five trillion, eight hundred ninety-nine billion, eight hundred sixteen million, seven hundred seventeen thousand, nine hundred twenty-four".