55117166157175 has 12 divisors (see below), whose sum is σ = 68348355251680. Its totient is φ = 44091752785920.

The previous prime is 55117166157173. The next prime is 55117166157187. The reversal of 55117166157175 is 57175166171155.

It is not a de Polignac number, because 55117166157175 - 2¹ = 55117166157173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55117166157173) 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, 48935535 + ... + 50049184.

Almost surely, 2^{55117166157175} is an apocalyptic number.

55117166157175 is a deficient number, since it is larger than the sum of its proper divisors (13231189094505).

55117166157175 is a wasteful number, since it uses less digits than its factorization.

55117166157175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99007002 (or 99006997 counting only the distinct ones).

The product of its digits is 7717500, while the sum is 58.

The spelling of 55117166157175 in words is "fifty-five trillion, one hundred seventeen billion, one hundred sixty-six million, one hundred fifty-seven thousand, one hundred seventy-five".