55918594992 has 80 divisors (see below), whose sum is σ = 156358429920. Its totient is φ = 17118345216.

The previous prime is 55918594981. The next prime is 55918595039. The reversal of 55918594992 is 29949581955.

It is a super-3 number, since 3×55918594992³ (a number of 33 digits) contains 333 as substring.

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, 104517 + ... + 350372.

It is an arithmetic number, because the mean of its divisors is an integer number (1954480374).

Almost surely, 2^55918594992 is an apocalyptic number.

55918594992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55918594992 is an abundant number, since it is smaller than the sum of its proper divisors (100439834928).

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

55918594992 is a wasteful number, since it uses less digits than its factorization.

55918594992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455110 (or 455104 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 66.

The spelling of 55918594992 in words is "fifty-five billion, nine hundred eighteen million, five hundred ninety-four thousand, nine hundred ninety-two".