50640625 has 28 divisors (see below), whose sum is σ = 72499072. Its totient is φ = 34650000.

The previous prime is 50640613. The next prime is 50640647. The reversal of 50640625 is 52604605.

50640625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50640625 - 2⁵ = 50640593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50640593 and 50640602.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 109144 + ... + 109606.

Almost surely, 2^50640625 is an apocalyptic number.

It is an amenable number.

50640625 is a deficient number, since it is larger than the sum of its proper divisors (21858447).

50640625 is an frugal number, since it uses more digits than its factorization.

50640625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 50640625 is about 7116.2226637451. Note that the first 3 decimals coincide. The cubic root of 50640625 is about 369.9698660630.

The spelling of 50640625 in words is "fifty million, six hundred forty thousand, six hundred twenty-five".