It is a happy number.
It is a tau number, because it is divible by the number of its divisors (72).
It is a nialpdrome in base 6 and base 10.
It is a zygodrome in base 6.
54432 is a Friedman number, since it can be written as (4+3)*(4+2)^5, using all its digits and the basic arithmetic operations.
254432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54432 is an equidigital number, since it uses as much as digits as its factorization.
54432 is an evil number, because the sum of its binary digits is even.
The square root of 54432 is about 233.3066651427. The cubic root of 54432 is about 37.8981575859.
Adding to 54432 its reverse (23445), we get a palindrome (77877).
The spelling of 54432 in words is "fifty-four thousand, four hundred thirty-two".