49879929 has 16 divisors (see below), whose sum is σ = 73430784. Its totient is φ = 29864400.

The previous prime is 49879927. The next prime is 49879937. The reversal of 49879929 is 92997894.

It is not a de Polignac number, because 49879929 - 2¹ = 49879927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49879927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6367 + ... + 11844.

It is an arithmetic number, because the mean of its divisors is an integer number (4589424).

Almost surely, 2^49879929 is an apocalyptic number.

It is an amenable number.

49879929 is a deficient number, since it is larger than the sum of its proper divisors (23550855).

49879929 is a wasteful number, since it uses less digits than its factorization.

49879929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18308.

The product of its digits is 2939328, while the sum is 57.

The square root of 49879929 is about 7062.5724067085. The cubic root of 49879929 is about 368.1080165941.

It can be divided in two parts, 49 and 879929, that added together give a palindrome (879978).

The spelling of 49879929 in words is "forty-nine million, eight hundred seventy-nine thousand, nine hundred twenty-nine".