55179163180 has 24 divisors (see below), whose sum is σ = 117343033920. Its totient is φ = 21792276480.

The previous prime is 55179163141. The next prime is 55179163187. The reversal of 55179163180 is 8136197155.

It is a self number, because there is not a number n which added to its sum of digits gives 55179163180.

It is not an unprimeable number, because it can be changed into a prime (55179163187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17460181 + ... + 17463340.

It is an arithmetic number, because the mean of its divisors is an integer number (4889293080).

Almost surely, 2^55179163180 is an apocalyptic number.

It is an amenable number.

55179163180 is an abundant number, since it is smaller than the sum of its proper divisors (62163870740).

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

55179163180 is a wasteful number, since it uses less digits than its factorization.

55179163180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923609 (or 34923607 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 55179163180 in words is "fifty-five billion, one hundred seventy-nine million, one hundred sixty-three thousand, one hundred eighty".