50056650065 has 4 divisors (see below), whose sum is σ = 60067980084. Its totient is φ = 40045320048.

The previous prime is 50056650053. The next prime is 50056650101. The reversal of 50056650065 is 56005665005.

It is a happy number.

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 17016680704 + 33039969361 = 130448^2 + 181769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50056650065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005665002 + ... + 5005665011.

It is an arithmetic number, because the mean of its divisors is an integer number (15016995021).

Almost surely, 2^50056650065 is an apocalyptic number.

It is an amenable number.

50056650065 is a deficient number, since it is larger than the sum of its proper divisors (10011330019).

50056650065 is a wasteful number, since it uses less digits than its factorization.

50056650065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011330018.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 50056650065 in words is "fifty billion, fifty-six million, six hundred fifty thousand, sixty-five".