50765772720 has 160 divisors (see below), whose sum is σ = 169598520000. Its totient is φ = 12487421952.

The previous prime is 50765772703. The next prime is 50765772727. The reversal of 50765772720 is 2727756705.

50765772720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 50765772720.

It is not an unprimeable number, because it can be changed into a prime (50765772727) 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, 5202406 + ... + 5212154.

It is an arithmetic number, because the mean of its divisors is an integer number (1059990750).

Almost surely, 2^50765772720 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 50765772720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84799260000).

50765772720 is an abundant number, since it is smaller than the sum of its proper divisors (118832747280).

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

50765772720 is a wasteful number, since it uses less digits than its factorization.

50765772720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11447 (or 11441 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 48.

The spelling of 50765772720 in words is "fifty billion, seven hundred sixty-five million, seven hundred seventy-two thousand, seven hundred twenty".