50221521066 has 16 divisors (see below), whose sum is σ = 101818975104. Its totient is φ = 16511184864.

The previous prime is 50221521043. The next prime is 50221521071. The reversal of 50221521066 is 66012512205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57330066 + ... + 57330941.

It is an arithmetic number, because the mean of its divisors is an integer number (6363685944).

Almost surely, 2^50221521066 is an apocalyptic number.

50221521066 is an abundant number, since it is smaller than the sum of its proper divisors (51597454038).

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

50221521066 is a wasteful number, since it uses less digits than its factorization.

50221521066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114661085.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 50221521066 in words is "fifty billion, two hundred twenty-one million, five hundred twenty-one thousand, sixty-six".