50044105591 has 2 divisors, whose sum is σ = 50044105592. Its totient is φ = 50044105590.

The previous prime is 50044105549. The next prime is 50044105613. The reversal of 50044105591 is 19550144005.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50044105591 - 2²¹ = 50042008439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50044105511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25022052795 + 25022052796.

It is an arithmetic number, because the mean of its divisors is an integer number (25022052796).

Almost surely, 2^50044105591 is an apocalyptic number.

50044105591 is a deficient number, since it is larger than the sum of its proper divisors (1).

50044105591 is an equidigital number, since it uses as much as digits as its factorization.

50044105591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 50044105591 its reverse (19550144005), we get a palindrome (69594249596).

The spelling of 50044105591 in words is "fifty billion, forty-four million, one hundred five thousand, five hundred ninety-one".