50053265065 has 4 divisors (see below), whose sum is σ = 60063918084. Its totient is φ = 40042612048.

The previous prime is 50053265051. The next prime is 50053265071. The reversal of 50053265065 is 56056235005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25312491801 + 24740773264 = 159099^2 + 157292^2 .

It is a cyclic number.

It is not a de Polignac number, because 50053265065 - 2²⁷ = 49919047337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005326502 + ... + 5005326511.

It is an arithmetic number, because the mean of its divisors is an integer number (15015979521).

Almost surely, 2^50053265065 is an apocalyptic number.

It is an amenable number.

50053265065 is a deficient number, since it is larger than the sum of its proper divisors (10010653019).

50053265065 is a wasteful number, since it uses less digits than its factorization.

50053265065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010653018.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 50053265065 in words is "fifty billion, fifty-three million, two hundred sixty-five thousand, sixty-five".