It is a happy number.
54450 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an ABA number since it can be written as A⋅BA, here for A=2, B=165.
It is an unprimeable number.
254450 is an apocalyptic number.
54450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 54450
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54450 is a wasteful number, since it uses less digits than its factorization.
54450 is an evil number, because the sum of its binary digits is even.
The square root of 54450 is about 233.3452377916. The cubic root of 54450 is about 37.9023346120.
Multiplying 54450 by its sum of digits (18), we get a square (980100 = 9902).
54450 divided by its sum of digits (18) gives a square (3025 = 552).
Adding to 54450 its reverse (5445), we get a palindrome (59895).
The spelling of 54450 in words is "fifty-four thousand, four hundred fifty".