50601011055509 has 2 divisors, whose sum is σ = 50601011055510. Its totient is φ = 50601011055508.

The previous prime is 50601011055487. The next prime is 50601011055527. The reversal of 50601011055509 is 90555011010605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36311832364900 + 14289178690609 = 6025930^2 + 3780103^2 .

It is a cyclic number.

It is not a de Polignac number, because 50601011055509 - 2⁸ = 50601011055253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50601011055559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300505527754 + 25300505527755.

It is an arithmetic number, because the mean of its divisors is an integer number (25300505527755).

Almost surely, 2^{50601011055509} is an apocalyptic number.

It is an amenable number.

50601011055509 is a deficient number, since it is larger than the sum of its proper divisors (1).

50601011055509 is an equidigital number, since it uses as much as digits as its factorization.

50601011055509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 38.

The spelling of 50601011055509 in words is "fifty trillion, six hundred one billion, eleven million, fifty-five thousand, five hundred nine".