49926721 has 8 divisors (see below), whose sum is σ = 56105280. Its totient is φ = 44082192.

The previous prime is 49926713. The next prime is 49926743. The reversal of 49926721 is 12762994.

49926721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49926721 - 2³ = 49926713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49926781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83191 + ... + 83788.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 2^49926721 is an apocalyptic number.

It is an amenable number.

49926721 is a deficient number, since it is larger than the sum of its proper divisors (6178559).

49926721 is a wasteful number, since it uses less digits than its factorization.

49926721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167015.

The product of its digits is 54432, while the sum is 40.

The square root of 49926721 is about 7065.8843041759. The cubic root of 49926721 is about 368.2230871071.

The spelling of 49926721 in words is "forty-nine million, nine hundred twenty-six thousand, seven hundred twenty-one".