54489 has 8 divisors (see below), whose sum is σ = 74592. Its totient is φ = 35360.

The previous prime is 54469. The next prime is 54493. The reversal of 54489 is 98445.

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 54489 - 2⁷ = 54361 is a prime.

It is a super-2 number, since 2×54489² = 5938102242, which contains 22 as substring.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 54489.

It is not an unprimeable number, because it can be changed into a prime (54409) 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, 99 + ... + 344.

It is an arithmetic number, because the mean of its divisors is an integer number (9324).

2⁵⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

54489 is a deficient number, since it is larger than the sum of its proper divisors (20103).

54489 is a wasteful number, since it uses less digits than its factorization.

54489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 5760, while the sum is 30.

The square root of 54489 is about 233.4287899981. The cubic root of 54489 is about 37.9113816783.

Subtracting 54489 from its reverse (98445), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 54489 in words is "fifty-four thousand, four hundred eighty-nine".