50023519991 has 2 divisors, whose sum is σ = 50023519992. Its totient is φ = 50023519990.

The previous prime is 50023519943. The next prime is 50023520033. The reversal of 50023519991 is 19991532005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50023519991 - 2¹⁸ = 50023257847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50023519901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25011759995 + 25011759996.

It is an arithmetic number, because the mean of its divisors is an integer number (25011759996).

Almost surely, 2^50023519991 is an apocalyptic number.

50023519991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50023519991 is an equidigital number, since it uses as much as digits as its factorization.

50023519991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 44.

The spelling of 50023519991 in words is "fifty billion, twenty-three million, five hundred nineteen thousand, nine hundred ninety-one".