50518125522 has 30 divisors (see below), whose sum is σ = 113204432583. Its totient is φ = 16838421588.

The previous prime is 50518125503. The next prime is 50518125551. The reversal of 50518125522 is 22552181505.

50518125522 is a `hidden beast` number, since 5 + 0 + 5 + 1 + 8 + 125 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25259062761 + 25259062761 = 158931^2 + 158931^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=158931.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2851929 + ... + 2869587.

Almost surely, 2^50518125522 is an apocalyptic number.

50518125522 is an abundant number, since it is smaller than the sum of its proper divisors (62686307061).

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

50518125522 is an frugal number, since it uses more digits than its factorization.

50518125522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35332 (or 17664 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 50518125522 in words is "fifty billion, five hundred eighteen million, one hundred twenty-five thousand, five hundred twenty-two".