49545050591 has 2 divisors, whose sum is σ = 49545050592. Its totient is φ = 49545050590.

The previous prime is 49545050567. The next prime is 49545050701. The reversal of 49545050591 is 19505054594.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49545050591 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49545050531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24772525295 + 24772525296.

It is an arithmetic number, because the mean of its divisors is an integer number (24772525296).

Almost surely, 2^49545050591 is an apocalyptic number.

49545050591 is a deficient number, since it is larger than the sum of its proper divisors (1).

49545050591 is an equidigital number, since it uses as much as digits as its factorization.

49545050591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 49545050591 in words is "forty-nine billion, five hundred forty-five million, fifty thousand, five hundred ninety-one".