50665224539 has 2 divisors, whose sum is σ = 50665224540. Its totient is φ = 50665224538.

The previous prime is 50665224529. The next prime is 50665224569. The reversal of 50665224539 is 93542256605.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50665224539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 50665224493 and 50665224502.

It is not a weakly prime, because it can be changed into another prime (50665224529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25332612269 + 25332612270.

It is an arithmetic number, because the mean of its divisors is an integer number (25332612270).

Almost surely, 2^50665224539 is an apocalyptic number.

50665224539 is a deficient number, since it is larger than the sum of its proper divisors (1).

50665224539 is an equidigital number, since it uses as much as digits as its factorization.

50665224539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 50665224539 in words is "fifty billion, six hundred sixty-five million, two hundred twenty-four thousand, five hundred thirty-nine".