49838879 has 4 divisors (see below), whose sum is σ = 49970760. Its totient is φ = 49707000.

The previous prime is 49838857. The next prime is 49838911. The reversal of 49838879 is 97883894.

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 49838879 - 2²⁴ = 33061663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49838279) 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, 65372 + ... + 66129.

It is an arithmetic number, because the mean of its divisors is an integer number (12492690).

Almost surely, 2^49838879 is an apocalyptic number.

49838879 is a deficient number, since it is larger than the sum of its proper divisors (131881).

49838879 is a wasteful number, since it uses less digits than its factorization.

49838879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131880.

The product of its digits is 3483648, while the sum is 56.

The square root of 49838879 is about 7059.6656436406. The cubic root of 49838879 is about 368.0070074871.

The spelling of 49838879 in words is "forty-nine million, eight hundred thirty-eight thousand, eight hundred seventy-nine".