50565000613 has 2 divisors, whose sum is σ = 50565000614. Its totient is φ = 50565000612.

The previous prime is 50565000589. The next prime is 50565000653. The reversal of 50565000613 is 31600056505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44193289284 + 6371711329 = 210222^2 + 79823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50565000613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50565000653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25282500306 + 25282500307.

It is an arithmetic number, because the mean of its divisors is an integer number (25282500307).

Almost surely, 2^50565000613 is an apocalyptic number.

It is an amenable number.

50565000613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50565000613 is an equidigital number, since it uses as much as digits as its factorization.

50565000613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 50565000613 in words is "fifty billion, five hundred sixty-five million, six hundred thirteen", and thus it is an aban number.