50005555055591 has 2 divisors, whose sum is σ = 50005555055592. Its totient is φ = 50005555055590.

The previous prime is 50005555055461. The next prime is 50005555055597. The reversal of 50005555055591 is 19555055550005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50005555055591 - 2³⁰ = 50004481313767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50005555055597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002777527795 + 25002777527796.

It is an arithmetic number, because the mean of its divisors is an integer number (25002777527796).

Almost surely, 2^{50005555055591} is an apocalyptic number.

50005555055591 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005555055591 is an equidigital number, since it uses as much as digits as its factorization.

50005555055591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3515625, while the sum is 50.

The spelling of 50005555055591 in words is "fifty trillion, five billion, five hundred fifty-five million, fifty-five thousand, five hundred ninety-one".