54439 has 12 divisors (see below), whose sum is σ = 69768. Its totient is φ = 42000.

The previous prime is 54437. The next prime is 54443. The reversal of 54439 is 93445.

54439 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 54439 - 2¹ = 54437 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489 + ... + 589.

It is an arithmetic number, because the mean of its divisors is an integer number (5814).

2⁵⁴⁴³⁹ is an apocalyptic number.

54439 is a deficient number, since it is larger than the sum of its proper divisors (15329).

54439 is a wasteful number, since it uses less digits than its factorization.

54439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 119 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 54439 is about 233.3216663750. The cubic root of 54439 is about 37.8997820944.

It can be divided in two parts, 5 and 4439, that added together give a palindrome (4444).

The spelling of 54439 in words is "fifty-four thousand, four hundred thirty-nine".