50523814391 has 2 divisors, whose sum is σ = 50523814392. Its totient is φ = 50523814390.

The previous prime is 50523814387. The next prime is 50523814421. The reversal of 50523814391 is 19341832505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50523814391 - 2² = 50523814387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50523814301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25261907195 + 25261907196.

It is an arithmetic number, because the mean of its divisors is an integer number (25261907196).

Almost surely, 2^50523814391 is an apocalyptic number.

50523814391 is a deficient number, since it is larger than the sum of its proper divisors (1).

50523814391 is an equidigital number, since it uses as much as digits as its factorization.

50523814391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 50523814391 in words is "fifty billion, five hundred twenty-three million, eight hundred fourteen thousand, three hundred ninety-one".