49995823 has 2 divisors, whose sum is σ = 49995824. Its totient is φ = 49995822.

The previous prime is 49995811. The next prime is 49995853. The reversal of 49995823 is 32859994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49995823 - 2⁵ = 49995791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49995853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24997911 + 24997912.

It is an arithmetic number, because the mean of its divisors is an integer number (24997912).

Almost surely, 2^49995823 is an apocalyptic number.

49995823 is a deficient number, since it is larger than the sum of its proper divisors (1).

49995823 is an equidigital number, since it uses as much as digits as its factorization.

49995823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 49995823 is about 7070.7724471942. The cubic root of 49995823 is about 368.3928907786.

The spelling of 49995823 in words is "forty-nine million, nine hundred ninety-five thousand, eight hundred twenty-three".