543504 has 60 divisors (see below), whose sum is σ = 1543056. Its totient is φ = 164736.

The previous prime is 543503. The next prime is 543509. The reversal of 543504 is 405345.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (543503) 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, 8079 + ... + 8145.

2⁵⁴³⁵⁰⁴ 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 543504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771528).

543504 is an abundant number, since it is smaller than the sum of its proper divisors (999552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543504 is a wasteful number, since it uses less digits than its factorization.

543504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 543504 is about 737.2272376954. The cubic root of 543504 is about 81.6082844338.

Adding to 543504 its reverse (405345), we get a palindrome (948849).

The spelling of 543504 in words is "five hundred forty-three thousand, five hundred four".