49998259 has 4 divisors (see below), whose sum is σ = 50024304. Its totient is φ = 49972216.

The previous prime is 49998217. The next prime is 49998283. The reversal of 49998259 is 95289994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49998259 - 2⁹ = 49997747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49998209) 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 in 3 ways as a sum of consecutive naturals, for example, 9892 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (12506076).

Almost surely, 2^49998259 is an apocalyptic number.

49998259 is a deficient number, since it is larger than the sum of its proper divisors (26045).

49998259 is a wasteful number, since it uses less digits than its factorization.

49998259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26044.

The product of its digits is 2099520, while the sum is 55.

The square root of 49998259 is about 7070.9447035032. The cubic root of 49998259 is about 368.3988738818.

The spelling of 49998259 in words is "forty-nine million, nine hundred ninety-eight thousand, two hundred fifty-nine".