50254534991 has 2 divisors, whose sum is σ = 50254534992. Its totient is φ = 50254534990.

The previous prime is 50254534987. The next prime is 50254535003. The reversal of 50254534991 is 19943545205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50254534991 - 2² = 50254534987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50254534591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127267495 + 25127267496.

It is an arithmetic number, because the mean of its divisors is an integer number (25127267496).

Almost surely, 2^50254534991 is an apocalyptic number.

50254534991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50254534991 is an equidigital number, since it uses as much as digits as its factorization.

50254534991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 50254534991 in words is "fifty billion, two hundred fifty-four million, five hundred thirty-four thousand, nine hundred ninety-one".