50013387625 has 8 divisors (see below), whose sum is σ = 62416707912. Its totient is φ = 40010710000.

The previous prime is 50013387607. The next prime is 50013387647. The reversal of 50013387625 is 52678331005.

It can be written as a sum of positive squares in 4 ways, for example, as 3815903529 + 46197484096 = 61773^2 + 214936^2 .

It is not a de Polignac number, because 50013387625 - 2²³ = 50004999017 is a prime.

It is a Duffinian 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, 200053426 + ... + 200053675.

It is an arithmetic number, because the mean of its divisors is an integer number (7802088489).

Almost surely, 2^50013387625 is an apocalyptic number.

It is an amenable number.

50013387625 is a deficient number, since it is larger than the sum of its proper divisors (12403320287).

50013387625 is an equidigital number, since it uses as much as digits as its factorization.

50013387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400107116 (or 400107106 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 50013387625 in words is "fifty billion, thirteen million, three hundred eighty-seven thousand, six hundred twenty-five".