49881443 has 2 divisors, whose sum is σ = 49881444. Its totient is φ = 49881442.

The previous prime is 49881431. The next prime is 49881463. The reversal of 49881443 is 34418894.

49881443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49881443 - 2⁸ = 49881187 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49881443.

It is not a weakly prime, because it can be changed into another prime (49881413) 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, 24940721 + 24940722.

It is an arithmetic number, because the mean of its divisors is an integer number (24940722).

Almost surely, 2^49881443 is an apocalyptic number.

49881443 is a deficient number, since it is larger than the sum of its proper divisors (1).

49881443 is an equidigital number, since it uses as much as digits as its factorization.

49881443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The square root of 49881443 is about 7062.6795906370. The cubic root of 49881443 is about 368.1117409372. Note that the first 3 decimals are identical.

The spelling of 49881443 in words is "forty-nine million, eight hundred eighty-one thousand, four hundred forty-three".