50509907712 has 432 divisors, whose sum is σ = 168191831808. Its totient is φ = 14427832320.

The previous prime is 50509907711. The next prime is 50509907737. The reversal of 50509907712 is 21770990505.

50509907712 is a `hidden beast` number, since 50 + 509 + 90 + 7 + 7 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50509907711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42551983 + ... + 42553169.

It is an arithmetic number, because the mean of its divisors is an integer number (389332944).

Almost surely, 2^50509907712 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 50509907712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84095915904).

50509907712 is an abundant number, since it is smaller than the sum of its proper divisors (117681924096).

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

50509907712 is a wasteful number, since it uses less digits than its factorization.

50509907712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 45.

The spelling of 50509907712 in words is "fifty billion, five hundred nine million, nine hundred seven thousand, seven hundred twelve".