49879643 has 8 divisors (see below), whose sum is σ = 55572480. Its totient is φ = 44379880.

The previous prime is 49879607. The next prime is 49879723. The reversal of 49879643 is 34697894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49879643 - 2²⁰ = 48831067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49879591 and 49879600.

It is not an unprimeable number, because it can be changed into a prime (49872643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47723 + ... + 48756.

It is an arithmetic number, because the mean of its divisors is an integer number (6946560).

Almost surely, 2^49879643 is an apocalyptic number.

49879643 is a deficient number, since it is larger than the sum of its proper divisors (5692837).

49879643 is a wasteful number, since it uses less digits than its factorization.

49879643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96537.

The product of its digits is 1306368, while the sum is 50.

The square root of 49879643 is about 7062.5521590994. The cubic root of 49879643 is about 368.1073130440.

The spelling of 49879643 in words is "forty-nine million, eight hundred seventy-nine thousand, six hundred forty-three".