55766163189 has 16 divisors (see below), whose sum is σ = 81651608064. Its totient is φ = 33573846000.

The previous prime is 55766163179. The next prime is 55766163191. The reversal of 55766163189 is 98136166755.

It is not a de Polignac number, because 55766163189 - 2¹¹ = 55766161141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55766163179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5590659 + ... + 5600624.

It is an arithmetic number, because the mean of its divisors is an integer number (5103225504).

Almost surely, 2^55766163189 is an apocalyptic number.

It is an amenable number.

55766163189 is a deficient number, since it is larger than the sum of its proper divisors (25885444875).

55766163189 is a wasteful number, since it uses less digits than its factorization.

55766163189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191448.

The product of its digits is 8164800, while the sum is 57.

The spelling of 55766163189 in words is "fifty-five billion, seven hundred sixty-six million, one hundred sixty-three thousand, one hundred eighty-nine".