49944161 has 2 divisors, whose sum is σ = 49944162. Its totient is φ = 49944160.

The previous prime is 49944157. The next prime is 49944163. The reversal of 49944161 is 16144994.

49944161 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 can be written as a sum of positive squares in only one way, i.e., 30195025 + 19749136 = 5495^2 + 4444^2 .

It is a cyclic number.

It is not a de Polignac number, because 49944161 - 2² = 49944157 is a prime.

Together with 49944163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49944163) 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, 24972080 + 24972081.

It is an arithmetic number, because the mean of its divisors is an integer number (24972081).

Almost surely, 2^49944161 is an apocalyptic number.

It is an amenable number.

49944161 is a deficient number, since it is larger than the sum of its proper divisors (1).

49944161 is an equidigital number, since it uses as much as digits as its factorization.

49944161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 49944161 is about 7067.1182953167. The cubic root of 49944161 is about 368.2659570234.

It can be divided in two parts, 49944 and 161, that added together give a palindrome (50105).

The spelling of 49944161 in words is "forty-nine million, nine hundred forty-four thousand, one hundred sixty-one".