49223909 has 8 divisors (see below), whose sum is σ = 57317760. Its totient is φ = 41395536.

The previous prime is 49223879. The next prime is 49223917. The reversal of 49223909 is 90932294.

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

It is not a de Polignac number, because 49223909 - 2¹² = 49219813 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 (49223929) 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, 65969 + ... + 66710.

It is an arithmetic number, because the mean of its divisors is an integer number (7164720).

Almost surely, 2^49223909 is an apocalyptic number.

It is an amenable number.

49223909 is a deficient number, since it is larger than the sum of its proper divisors (8093851).

49223909 is a wasteful number, since it uses less digits than its factorization.

49223909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132739.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 49223909 is about 7015.9752707660. The cubic root of 49223909 is about 366.4871061129.

The spelling of 49223909 in words is "forty-nine million, two hundred twenty-three thousand, nine hundred nine".