50372902921 has 12 divisors (see below), whose sum is σ = 55238909040. Its totient is φ = 45555905280.

The previous prime is 50372902903. The next prime is 50372902927. The reversal of 50372902921 is 12920927305.

It is not a de Polignac number, because 50372902921 - 2⁵ = 50372902889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50372902927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348270 + ... + 471208.

It is an arithmetic number, because the mean of its divisors is an integer number (4603242420).

Almost surely, 2^50372902921 is an apocalyptic number.

It is an amenable number.

50372902921 is a deficient number, since it is larger than the sum of its proper divisors (4866006119).

50372902921 is a wasteful number, since it uses less digits than its factorization.

50372902921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123336 (or 123143 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 50372902921 in words is "fifty billion, three hundred seventy-two million, nine hundred two thousand, nine hundred twenty-one".