50053055025509 has 2 divisors, whose sum is σ = 50053055025510. Its totient is φ = 50053055025508.

The previous prime is 50053055025481. The next prime is 50053055025539. The reversal of 50053055025509 is 90552055035005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38873915661025 + 11179139364484 = 6234895^2 + 3343522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50053055025509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50053055025509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50053055025539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25026527512754 + 25026527512755.

It is an arithmetic number, because the mean of its divisors is an integer number (25026527512755).

Almost surely, 2^{50053055025509} is an apocalyptic number.

It is an amenable number.

50053055025509 is a deficient number, since it is larger than the sum of its proper divisors (1).

50053055025509 is an equidigital number, since it uses as much as digits as its factorization.

50053055025509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 843750, while the sum is 44.

The spelling of 50053055025509 in words is "fifty trillion, fifty-three billion, fifty-five million, twenty-five thousand, five hundred nine".