50137625 has 8 divisors (see below), whose sum is σ = 62571912. Its totient is φ = 40110000.

The previous prime is 50137621. The next prime is 50137643. The reversal of 50137625 is 52673105.

50137625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10837264 + 39300361 = 3292^2 + 6269^2 .

It is not a de Polignac number, because 50137625 - 2² = 50137621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50137621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200426 + ... + 200675.

It is an arithmetic number, because the mean of its divisors is an integer number (7821489).

Almost surely, 2^50137625 is an apocalyptic number.

It is an amenable number.

50137625 is a deficient number, since it is larger than the sum of its proper divisors (12434287).

50137625 is an equidigital number, since it uses as much as digits as its factorization.

50137625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401116 (or 401106 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 50137625 is about 7080.7926816141. The cubic root of 50137625 is about 368.7408501033.

The spelling of 50137625 in words is "fifty million, one hundred thirty-seven thousand, six hundred twenty-five".