54839 has 8 divisors (see below), whose sum is σ = 59520. Its totient is φ = 50400.

The previous prime is 54833. The next prime is 54851. The reversal of 54839 is 93845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54839 - 2⁸ = 54583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a plaindrome in base 12 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (7440).

2⁵⁴⁸³⁹ is an apocalyptic number.

54839 is a deficient number, since it is larger than the sum of its proper divisors (4681).

54839 is a wasteful number, since it uses less digits than its factorization.

54839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121.

The product of its digits is 4320, while the sum is 29.

The square root of 54839 is about 234.1772832706. The cubic root of 54839 is about 37.9923807439.

54839 divided by its sum of digits (29) gives a triangular number (1891 = T₆₁).

The spelling of 54839 in words is "fifty-four thousand, eight hundred thirty-nine".