49909323 has 4 divisors (see below), whose sum is σ = 66545768. Its totient is φ = 33272880.

The previous prime is 49909309. The next prime is 49909381. The reversal of 49909323 is 32390994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49909323 - 2¹² = 49905227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49909303) 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, 8318218 + ... + 8318223.

It is an arithmetic number, because the mean of its divisors is an integer number (16636442).

Almost surely, 2^49909323 is an apocalyptic number.

49909323 is a deficient number, since it is larger than the sum of its proper divisors (16636445).

49909323 is a wasteful number, since it uses less digits than its factorization.

49909323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16636444.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 49909323 is about 7064.6530700382. The cubic root of 49909323 is about 368.1803104842.

The spelling of 49909323 in words is "forty-nine million, nine hundred nine thousand, three hundred twenty-three".