50221317228 has 24 divisors (see below), whose sum is σ = 117186980400. Its totient is φ = 16739880960.

The previous prime is 50221317191. The next prime is 50221317229. The reversal of 50221317228 is 82271312205.

It is not an unprimeable number, because it can be changed into a prime (50221317229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475848 + ... + 571728.

It is an arithmetic number, because the mean of its divisors is an integer number (4882790850).

Almost surely, 2^50221317228 is an apocalyptic number.

It is an amenable number.

50221317228 is an abundant number, since it is smaller than the sum of its proper divisors (66965663172).

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

50221317228 is a wasteful number, since it uses less digits than its factorization.

50221317228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139537 (or 139535 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 50221317228 in words is "fifty billion, two hundred twenty-one million, three hundred seventeen thousand, two hundred twenty-eight".