49998563 has 2 divisors, whose sum is σ = 49998564. Its totient is φ = 49998562.

The previous prime is 49998539. The next prime is 49998587. The reversal of 49998563 is 36589994.

It is a balanced prime because it is at equal distance from previous prime (49998539) and next prime (49998587).

It is a cyclic number.

It is not a de Polignac number, because 49998563 - 2¹⁶ = 49933027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49998593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999281 + 24999282.

It is an arithmetic number, because the mean of its divisors is an integer number (24999282).

Almost surely, 2^49998563 is an apocalyptic number.

49998563 is a deficient number, since it is larger than the sum of its proper divisors (1).

49998563 is an equidigital number, since it uses as much as digits as its factorization.

49998563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 49998563 is about 7070.9661998909. The cubic root of 49998563 is about 368.3996205281.

The spelling of 49998563 in words is "forty-nine million, nine hundred ninety-eight thousand, five hundred sixty-three".