50500164561 has 32 divisors (see below), whose sum is σ = 84374535168. Its totient is φ = 26100661440.

The previous prime is 50500164553. The next prime is 50500164607. The reversal of 50500164561 is 16546100505.

50500164561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50500164561 - 2³ = 50500164553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (50500164461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509355 + ... + 600368.

It is an arithmetic number, because the mean of its divisors is an integer number (2636704224).

Almost surely, 2^50500164561 is an apocalyptic number.

It is an amenable number.

50500164561 is a deficient number, since it is larger than the sum of its proper divisors (33874370607).

50500164561 is a wasteful number, since it uses less digits than its factorization.

50500164561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109941.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 50500164561 in words is "fifty billion, five hundred million, one hundred sixty-four thousand, five hundred sixty-one".