50055500591 has 2 divisors, whose sum is σ = 50055500592. Its totient is φ = 50055500590.

The previous prime is 50055500569. The next prime is 50055500609. The reversal of 50055500591 is 19500555005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50055500591 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50055100591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027750295 + 25027750296.

It is an arithmetic number, because the mean of its divisors is an integer number (25027750296).

Almost surely, 2^50055500591 is an apocalyptic number.

50055500591 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055500591 is an equidigital number, since it uses as much as digits as its factorization.

50055500591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 35.

The spelling of 50055500591 in words is "fifty billion, fifty-five million, five hundred thousand, five hundred ninety-one".