49558996559 has 2 divisors, whose sum is σ = 49558996560. Its totient is φ = 49558996558.

The previous prime is 49558996549. The next prime is 49558996577. The reversal of 49558996559 is 95569985594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49558996559 - 2¹² = 49558992463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49558996519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24779498279 + 24779498280.

It is an arithmetic number, because the mean of its divisors is an integer number (24779498280).

Almost surely, 2^49558996559 is an apocalyptic number.

49558996559 is a deficient number, since it is larger than the sum of its proper divisors (1).

49558996559 is an equidigital number, since it uses as much as digits as its factorization.

49558996559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320000, while the sum is 74.

The spelling of 49558996559 in words is "forty-nine billion, five hundred fifty-eight million, nine hundred ninety-six thousand, five hundred fifty-nine".