50017642625 has 8 divisors (see below), whose sum is σ = 62422018152. Its totient is φ = 40014114000.

The previous prime is 50017642621. The next prime is 50017642667. The reversal of 50017642625 is 52624671005.

It can be written as a sum of positive squares in 4 ways, for example, as 680792464 + 49336850161 = 26092^2 + 222119^2 .

It is not a de Polignac number, because 50017642625 - 2² = 50017642621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50017642621) 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, 200070446 + ... + 200070695.

It is an arithmetic number, because the mean of its divisors is an integer number (7802752269).

Almost surely, 2^50017642625 is an apocalyptic number.

It is an amenable number.

50017642625 is a deficient number, since it is larger than the sum of its proper divisors (12404375527).

50017642625 is an equidigital number, since it uses as much as digits as its factorization.

50017642625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400141156 (or 400141146 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 50017642625 in words is "fifty billion, seventeen million, six hundred forty-two thousand, six hundred twenty-five".