49931423 has 8 divisors (see below), whose sum is σ = 50651568. Its totient is φ = 49216384.

The previous prime is 49931419. The next prime is 49931477. The reversal of 49931423 is 32413994.

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 49931423 - 2² = 49931419 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 (49931723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21140 + ... + 23382.

It is an arithmetic number, because the mean of its divisors is an integer number (6331446).

Almost surely, 2^49931423 is an apocalyptic number.

49931423 is a deficient number, since it is larger than the sum of its proper divisors (720145).

49931423 is a wasteful number, since it uses less digits than its factorization.

49931423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553.

The product of its digits is 23328, while the sum is 35.

The square root of 49931423 is about 7066.2170218583. The cubic root of 49931423 is about 368.2346462520.

The spelling of 49931423 in words is "forty-nine million, nine hundred thirty-one thousand, four hundred twenty-three".