50505055577 has 2 divisors, whose sum is σ = 50505055578. Its totient is φ = 50505055576.

The previous prime is 50505055519. The next prime is 50505055603. The reversal of 50505055577 is 77555050505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29231082841 + 21273972736 = 170971^2 + 145856^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505055577 - 2¹⁰ = 50505054553 is a prime.

It is not a weakly prime, because it can be changed into another prime (50505055277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252527788 + 25252527789.

It is an arithmetic number, because the mean of its divisors is an integer number (25252527789).

Almost surely, 2^50505055577 is an apocalyptic number.

It is an amenable number.

50505055577 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505055577 is an equidigital number, since it uses as much as digits as its factorization.

50505055577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 765625, while the sum is 44.

The spelling of 50505055577 in words is "fifty billion, five hundred five million, fifty-five thousand, five hundred seventy-seven".