55616615194 has 64 divisors (see below), whose sum is σ = 100250410752. Its totient is φ = 22643712000.

The previous prime is 55616615189. The next prime is 55616615209. The reversal of 55616615194 is 49151661655.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5787994 + ... + 5797594.

It is an arithmetic number, because the mean of its divisors is an integer number (1566412668).

Almost surely, 2^55616615194 is an apocalyptic number.

55616615194 is a deficient number, since it is larger than the sum of its proper divisors (44633795558).

55616615194 is a wasteful number, since it uses less digits than its factorization.

55616615194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911.

The product of its digits is 972000, while the sum is 49.

The spelling of 55616615194 in words is "fifty-five billion, six hundred sixteen million, six hundred fifteen thousand, one hundred ninety-four".