50171056165 has 16 divisors (see below), whose sum is σ = 60569885808. Its totient is φ = 39893894656.

The previous prime is 50171056147. The next prime is 50171056189. The reversal of 50171056165 is 56165017105.

50171056165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3839785156 + 46331271009 = 61966^2 + 215247^2 .

It is a cyclic number.

It is not a de Polignac number, because 50171056165 - 2⁹ = 50171055653 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4888179 + ... + 4898431.

It is an arithmetic number, because the mean of its divisors is an integer number (3785617863).

Almost surely, 2^50171056165 is an apocalyptic number.

It is an amenable number.

50171056165 is a deficient number, since it is larger than the sum of its proper divisors (10398829643).

50171056165 is a wasteful number, since it uses less digits than its factorization.

50171056165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 50171056165 in words is "fifty billion, one hundred seventy-one million, fifty-six thousand, one hundred sixty-five".