50617707920 has 160 divisors (see below), whose sum is σ = 131819896320. Its totient is φ = 17953228800.

The previous prime is 50617707863. The next prime is 50617707941. The reversal of 50617707920 is 2970771605.

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, 3031595 + ... + 3048245.

It is an arithmetic number, because the mean of its divisors is an integer number (823874352).

Almost surely, 2^50617707920 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 50617707920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65909948160).

50617707920 is an abundant number, since it is smaller than the sum of its proper divisors (81202188400).

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

50617707920 is a wasteful number, since it uses less digits than its factorization.

50617707920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16793 (or 16787 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 44.

The spelling of 50617707920 in words is "fifty billion, six hundred seventeen million, seven hundred seven thousand, nine hundred twenty".