543090 has 32 divisors (see below), whose sum is σ = 1336896. Its totient is φ = 141120.

The previous prime is 543061. The next prime is 543097. The reversal of 543090 is 90345.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (543097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (41778).

2⁵⁴³⁰⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668448).

543090 is an abundant number, since it is smaller than the sum of its proper divisors (793806).

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

543090 is a wasteful number, since it uses less digits than its factorization.

543090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 543090 is about 736.9464023930. The cubic root of 543090 is about 81.5875581761.

The spelling of 543090 in words is "five hundred forty-three thousand, ninety".