50655655613 has 2 divisors, whose sum is σ = 50655655614. Its totient is φ = 50655655612.

The previous prime is 50655655591. The next prime is 50655655619. The reversal of 50655655613 is 31655655605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39723280249 + 10932375364 = 199307^2 + 104558^2 .

It is a cyclic number.

It is not a de Polignac number, because 50655655613 - 2⁸ = 50655655357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50655655619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25327827806 + 25327827807.

It is an arithmetic number, because the mean of its divisors is an integer number (25327827807).

Almost surely, 2^50655655613 is an apocalyptic number.

It is an amenable number.

50655655613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50655655613 is an equidigital number, since it uses as much as digits as its factorization.

50655655613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025000, while the sum is 47.

The spelling of 50655655613 in words is "fifty billion, six hundred fifty-five million, six hundred fifty-five thousand, six hundred thirteen".