54678439 has 2 divisors, whose sum is σ = 54678440. Its totient is φ = 54678438.

The previous prime is 54678419. The next prime is 54678467. The reversal of 54678439 is 93487645.

54678439 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 54678439 - 2¹³ = 54670247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54678419) 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, 27339219 + 27339220.

It is an arithmetic number, because the mean of its divisors is an integer number (27339220).

Almost surely, 2^54678439 is an apocalyptic number.

54678439 is a deficient number, since it is larger than the sum of its proper divisors (1).

54678439 is an equidigital number, since it uses as much as digits as its factorization.

54678439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 54678439 is about 7394.4870680798. The cubic root of 54678439 is about 379.5526568731.

The spelling of 54678439 in words is "fifty-four million, six hundred seventy-eight thousand, four hundred thirty-nine".