543172 has 24 divisors (see below), whose sum is σ = 1144640. Its totient is φ = 220320.

The previous prime is 543163. The next prime is 543187. The reversal of 543172 is 271345.

It is an unprimeable number.

543172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22 + ... + 1042.

2⁵⁴³¹⁷² 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 543172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572320).

543172 is an abundant number, since it is smaller than the sum of its proper divisors (601468).

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

543172 is a wasteful number, since it uses less digits than its factorization.

543172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1049 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 543172 is about 737.0020352753. The cubic root of 543172 is about 81.5916642132.

The spelling of 543172 in words is "five hundred forty-three thousand, one hundred seventy-two".