55998555495216 has 20 divisors (see below), whose sum is σ = 144662935029432. Its totient is φ = 18666185165056.

The previous prime is 55998555495193. The next prime is 55998555495227. The reversal of 55998555495216 is 61259455589955.

55998555495216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583318286361 + ... + 583318286456.

Almost surely, 2^{55998555495216} is an apocalyptic number.

It is an amenable number.

55998555495216 is an abundant number, since it is smaller than the sum of its proper divisors (88664379534216).

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

55998555495216 is a wasteful number, since it uses less digits than its factorization.

55998555495216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166636572828 (or 1166636572822 counting only the distinct ones).

The product of its digits is 4374000000, while the sum is 78.

The spelling of 55998555495216 in words is "fifty-five trillion, nine hundred ninety-eight billion, five hundred fifty-five million, four hundred ninety-five thousand, two hundred sixteen".