49644223 has 4 divisors (see below), whose sum is σ = 49861240. Its totient is φ = 49427208.

The previous prime is 49644163. The next prime is 49644239. The reversal of 49644223 is 32244694.

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 49644223 - 2²⁵ = 16089791 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 (49644323) 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, 108165 + ... + 108622.

It is an arithmetic number, because the mean of its divisors is an integer number (12465310).

Almost surely, 2^49644223 is an apocalyptic number.

49644223 is a deficient number, since it is larger than the sum of its proper divisors (217017).

49644223 is a wasteful number, since it uses less digits than its factorization.

49644223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217016.

The product of its digits is 41472, while the sum is 34.

The square root of 49644223 is about 7045.8656671838. The cubic root of 49644223 is about 367.5272733396.

The spelling of 49644223 in words is "forty-nine million, six hundred forty-four thousand, two hundred twenty-three".