50161612172 has 12 divisors (see below), whose sum is σ = 100323224400. Its totient is φ = 21497833776.

The previous prime is 50161612009. The next prime is 50161612177. The reversal of 50161612172 is 27121616105.

50161612172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (50161612177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895743047 + ... + 895743102.

It is an arithmetic number, because the mean of its divisors is an integer number (8360268700).

Almost surely, 2^50161612172 is an apocalyptic number.

It is an amenable number.

50161612172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50161612172 is a wasteful number, since it uses less digits than its factorization.

50161612172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791486160 (or 1791486158 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 50161612172 in words is "fifty billion, one hundred sixty-one million, six hundred twelve thousand, one hundred seventy-two".