50706585513 has 12 divisors (see below), whose sum is σ = 73270952820. Its totient is φ = 33791417856.

The previous prime is 50706585499. The next prime is 50706585539. The reversal of 50706585513 is 31558560705.

50706585513 is a `hidden beast` number, since 5 + 0 + 70 + 65 + 8 + 5 + 513 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28335998889 + 22370586624 = 168333^2 + 149568^2 .

It is not a de Polignac number, because 50706585513 - 2⁴ = 50706585497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50706585313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056256 + ... + 1103217.

It is an arithmetic number, because the mean of its divisors is an integer number (6105912735).

Almost surely, 2^50706585513 is an apocalyptic number.

It is an amenable number.

50706585513 is a deficient number, since it is larger than the sum of its proper divisors (22564367307).

50706585513 is a wasteful number, since it uses less digits than its factorization.

50706585513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162088 (or 2162085 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 50706585513 in words is "fifty billion, seven hundred six million, five hundred eighty-five thousand, five hundred thirteen".