543538320 has 320 divisors, whose sum is σ = 1957374720. Its totient is φ = 123641856.

The previous prime is 543538309. The next prime is 543538327. The reversal of 543538320 is 23835345.

It is not an unprimeable number, because it can be changed into a prime (543538327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3141754 + ... + 3141926.

It is an arithmetic number, because the mean of its divisors is an integer number (6116796).

Almost surely, 2^543538320 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 543538320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978687360).

543538320 is an abundant number, since it is smaller than the sum of its proper divisors (1413836400).

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

543538320 is a wasteful number, since it uses less digits than its factorization.

543538320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 543538320 is about 23313.9082952644. The cubic root of 543538320 is about 816.1000213803.

The spelling of 543538320 in words is "five hundred forty-three million, five hundred thirty-eight thousand, three hundred twenty".