50504678825 has 12 divisors (see below), whose sum is σ = 63245862348. Its totient is φ = 40003704000.

The previous prime is 50504678813. The next prime is 50504678827. The reversal of 50504678825 is 52887640505.

It can be written as a sum of positive squares in 6 ways, for example, as 125529616 + 50379149209 = 11204^2 + 224453^2 .

It is not a de Polignac number, because 50504678825 - 2⁸ = 50504678569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50504678827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9998402 + ... + 10003451.

It is an arithmetic number, because the mean of its divisors is an integer number (5270488529).

Almost surely, 2^50504678825 is an apocalyptic number.

It is an amenable number.

50504678825 is a deficient number, since it is larger than the sum of its proper divisors (12741183523).

50504678825 is a wasteful number, since it uses less digits than its factorization.

50504678825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001964 (or 20001959 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 50504678825 in words is "fifty billion, five hundred four million, six hundred seventy-eight thousand, eight hundred twenty-five".