50421380125 has 8 divisors (see below), whose sum is σ = 62925882552. Its totient is φ = 40337104000.

The previous prime is 50421380083. The next prime is 50421380159. The reversal of 50421380125 is 52108312405.

It can be written as a sum of positive squares in 4 ways, for example, as 3617604 + 50417762521 = 1902^2 + 224539^2 .

It is not a de Polignac number, because 50421380125 - 2⁷ = 50421379997 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 201685396 + ... + 201685645.

It is an arithmetic number, because the mean of its divisors is an integer number (7865735319).

Almost surely, 2^50421380125 is an apocalyptic number.

It is an amenable number.

50421380125 is a deficient number, since it is larger than the sum of its proper divisors (12504502427).

50421380125 is an equidigital number, since it uses as much as digits as its factorization.

50421380125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403371056 (or 403371046 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 50421380125 in words is "fifty billion, four hundred twenty-one million, three hundred eighty thousand, one hundred twenty-five".