54439943 has 2 divisors, whose sum is σ = 54439944. Its totient is φ = 54439942.

The previous prime is 54439871. The next prime is 54439961. The reversal of 54439943 is 34993445.

54439943 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 54439943 - 2¹⁰ = 54438919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54439943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54439963) 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, 27219971 + 27219972.

It is an arithmetic number, because the mean of its divisors is an integer number (27219972).

Almost surely, 2^54439943 is an apocalyptic number.

54439943 is a deficient number, since it is larger than the sum of its proper divisors (1).

54439943 is an equidigital number, since it uses as much as digits as its factorization.

54439943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 54439943 is about 7378.3428356237. The cubic root of 54439943 is about 379.0000092824. Note that the first 5 decimals are identical.

The spelling of 54439943 in words is "fifty-four million, four hundred thirty-nine thousand, nine hundred forty-three".