53839443 has 16 divisors (see below), whose sum is σ = 82313216. Its totient is φ = 30663360.

The previous prime is 53839433. The next prime is 53839451. The reversal of 53839443 is 34493835.

53839443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53839443 - 2⁹ = 53838931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53839433) 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 in 15 ways as a sum of consecutive naturals, for example, 2478 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (5144576).

Almost surely, 2^53839443 is an apocalyptic number.

53839443 is a deficient number, since it is larger than the sum of its proper divisors (28473773).

53839443 is a wasteful number, since it uses less digits than its factorization.

53839443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514.

The product of its digits is 155520, while the sum is 39.

The square root of 53839443 is about 7337.5365757180. The cubic root of 53839443 is about 377.6013335553.

The spelling of 53839443 in words is "fifty-three million, eight hundred thirty-nine thousand, four hundred forty-three".