543212320 has 96 divisors (see below), whose sum is σ = 1490904576. Its totient is φ = 183168000.

The previous prime is 543212309. The next prime is 543212377. The reversal of 543212320 is 23212345.

It is a junction number, because it is equal to n+sod(n) for n = 543212291 and 543212300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64345 + ... + 72295.

It is an arithmetic number, because the mean of its divisors is an integer number (15530256).

Almost surely, 2^543212320 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 543212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745452288).

543212320 is an abundant number, since it is smaller than the sum of its proper divisors (947692256).

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

543212320 is a wasteful number, since it uses less digits than its factorization.

543212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034 (or 8026 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 543212320 is about 23306.9157118654. The cubic root of 543212320 is about 815.9368303015.

Adding to 543212320 its reverse (23212345), we get a palindrome (566424665).

The spelling of 543212320 in words is "five hundred forty-three million, two hundred twelve thousand, three hundred twenty".