49890443 has 2 divisors, whose sum is σ = 49890444. Its totient is φ = 49890442.

The previous prime is 49890403. The next prime is 49890457. The reversal of 49890443 is 34409894.

49890443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49890443 - 2⁸ = 49890187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49890443.

It is not a weakly prime, because it can be changed into another prime (49890403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24945221 + 24945222.

It is an arithmetic number, because the mean of its divisors is an integer number (24945222).

Almost surely, 2^49890443 is an apocalyptic number.

49890443 is a deficient number, since it is larger than the sum of its proper divisors (1).

49890443 is an equidigital number, since it uses as much as digits as its factorization.

49890443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 49890443 is about 7063.3167138392. The cubic root of 49890443 is about 368.1338788054.

The spelling of 49890443 in words is "forty-nine million, eight hundred ninety thousand, four hundred forty-three".