50512538609 has 16 divisors (see below), whose sum is σ = 54802441680. Its totient is φ = 46556714880.

The previous prime is 50512538591. The next prime is 50512538611. The reversal of 50512538609 is 90683521505.

50512538609 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 8 ways, for example, as 31267080625 + 19245457984 = 176825^2 + 138728^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50512538609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50512538609.

It is not an unprimeable number, because it can be changed into a prime (50512538669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470389 + ... + 1504349.

It is an arithmetic number, because the mean of its divisors is an integer number (3425152605).

Almost surely, 2^50512538609 is an apocalyptic number.

It is an amenable number.

50512538609 is a deficient number, since it is larger than the sum of its proper divisors (4289903071).

50512538609 is an equidigital number, since it uses as much as digits as its factorization.

50512538609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34677 (or 34651 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 50512538609 in words is "fifty billion, five hundred twelve million, five hundred thirty-eight thousand, six hundred nine".