543534320 has 160 divisors (see below), whose sum is σ = 1496475648. Its totient is φ = 179748864.

The previous prime is 543534301. The next prime is 543534331. The reversal of 543534320 is 23435345.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2816144 + ... + 2816336.

Almost surely, 2^543534320 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 543534320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748237824).

543534320 is an abundant number, since it is smaller than the sum of its proper divisors (952941328).

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

543534320 is a wasteful number, since it uses less digits than its factorization.

543534320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 543534320 is about 23313.8225094042. The cubic root of 543534320 is about 816.0980194312.

Adding to 543534320 its reverse (23435345), we get a palindrome (566969665).

The spelling of 543534320 in words is "five hundred forty-three million, five hundred thirty-four thousand, three hundred twenty".