49998243 has 4 divisors (see below), whose sum is σ = 66664328. Its totient is φ = 33332160.

The previous prime is 49998217. The next prime is 49998283. The reversal of 49998243 is 34289994.

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

It is a de Polignac number, because none of the positive numbers 2^k-49998243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49998192 and 49998201.

It is not an unprimeable number, because it can be changed into a prime (49998203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333038 + ... + 8333043.

It is an arithmetic number, because the mean of its divisors is an integer number (16666082).

Almost surely, 2^49998243 is an apocalyptic number.

49998243 is a deficient number, since it is larger than the sum of its proper divisors (16666085).

49998243 is a wasteful number, since it uses less digits than its factorization.

49998243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666084.

The product of its digits is 559872, while the sum is 48.

The square root of 49998243 is about 7070.9435721126. The cubic root of 49998243 is about 368.3988345846.

The spelling of 49998243 in words is "forty-nine million, nine hundred ninety-eight thousand, two hundred forty-three".