543280920 has 384 divisors, whose sum is σ = 2087078400. Its totient is φ = 110702592.

The previous prime is 543280817. The next prime is 543280939. The reversal of 543280920 is 29082345.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6104236 + ... + 6104324.

It is an arithmetic number, because the mean of its divisors is an integer number (5435100).

Almost surely, 2^543280920 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 543280920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043539200).

543280920 is an abundant number, since it is smaller than the sum of its proper divisors (1543797480).

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

543280920 is a wasteful number, since it uses less digits than its factorization.

543280920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 543280920 is about 23308.3873316023. The cubic root of 543280920 is about 815.9711759330.

The spelling of 543280920 in words is "five hundred forty-three million, two hundred eighty thousand, nine hundred twenty".