50512015164 has 96 divisors (see below), whose sum is σ = 131194183680. Its totient is φ = 15021043200.

The previous prime is 50512015159. The next prime is 50512015171. The reversal of 50512015164 is 46151021505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3905869 + ... + 3918779.

It is an arithmetic number, because the mean of its divisors is an integer number (1366606080).

Almost surely, 2^50512015164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50512015164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65597091840).

50512015164 is an abundant number, since it is smaller than the sum of its proper divisors (80682168516).

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

50512015164 is a wasteful number, since it uses less digits than its factorization.

50512015164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771 (or 13769 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 50512015164 its reverse (46151021505), we get a palindrome (96663036669).

The spelling of 50512015164 in words is "fifty billion, five hundred twelve million, fifteen thousand, one hundred sixty-four".