50517501312 has 64 divisors (see below), whose sum is σ = 134229702960. Its totient is φ = 16833822720.

The previous prime is 50517501289. The next prime is 50517501341. The reversal of 50517501312 is 21310571505.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 50517501312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299112 + ... + 1337432.

Almost surely, 2^50517501312 is an apocalyptic number.

It is an amenable number.

50517501312 is an abundant number, since it is smaller than the sum of its proper divisors (83712201648).

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

50517501312 is a wasteful number, since it uses less digits than its factorization.

50517501312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41771 (or 41759 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The spelling of 50517501312 in words is "fifty billion, five hundred seventeen million, five hundred one thousand, three hundred twelve".