55997182512 has 60 divisors (see below), whose sum is σ = 162118291920. Its totient is φ = 18022080384.

The previous prime is 55997182469. The next prime is 55997182517. The reversal of 55997182512 is 21528179955.

55997182512 is a `hidden beast` number, since 5 + 59 + 9 + 71 + 8 + 2 + 512 = 666.

It is not an unprimeable number, because it can be changed into a prime (55997182517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6700468 + ... + 6708819.

It is an arithmetic number, because the mean of its divisors is an integer number (2701971532).

Almost surely, 2^55997182512 is an apocalyptic number.

It is an amenable number.

55997182512 is an abundant number, since it is smaller than the sum of its proper divisors (106121109408).

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

55997182512 is a wasteful number, since it uses less digits than its factorization.

55997182512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13409330 (or 13409321 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The spelling of 55997182512 in words is "fifty-five billion, nine hundred ninety-seven million, one hundred eighty-two thousand, five hundred twelve".