55679880178 has 32 divisors (see below), whose sum is σ = 92315284992. Its totient is φ = 25023427200.

The previous prime is 55679880161. The next prime is 55679880203. The reversal of 55679880178 is 87108897655.

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, 507583 + ... + 607453.

It is an arithmetic number, because the mean of its divisors is an integer number (2884852656).

Almost surely, 2^55679880178 is an apocalyptic number.

55679880178 is a deficient number, since it is larger than the sum of its proper divisors (36635404814).

55679880178 is a wasteful number, since it uses less digits than its factorization.

55679880178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100450.

The product of its (nonzero) digits is 33868800, while the sum is 64.

The spelling of 55679880178 in words is "fifty-five billion, six hundred seventy-nine million, eight hundred eighty thousand, one hundred seventy-eight".