50409907056 has 120 divisors (see below), whose sum is σ = 143549986320. Its totient is φ = 16510583808.

The previous prime is 50409907039. The next prime is 50409907063. The reversal of 50409907056 is 65070990405.

It is a happy number.

50409907056 is a `hidden beast` number, since 504 + 0 + 9 + 90 + 7 + 0 + 56 = 666.

50409907056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2818815 + ... + 2836641.

It is an arithmetic number, because the mean of its divisors is an integer number (1196249886).

Almost surely, 2^50409907056 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 50409907056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71774993160).

50409907056 is an abundant number, since it is smaller than the sum of its proper divisors (93140079264).

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

50409907056 is a wasteful number, since it uses less digits than its factorization.

50409907056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183 (or 18174 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 50409907056 in words is "fifty billion, four hundred nine million, nine hundred seven thousand, fifty-six".