543568 has 20 divisors (see below), whose sum is σ = 1074708. Its totient is φ = 266240.

The previous prime is 543553. The next prime is 543593. The reversal of 543568 is 865345.

It can be written as a sum of positive squares in 2 ways, for example, as 446224 + 97344 = 668^2 + 312^2 .

It is a congruent number.

It is an unprimeable number.

543568 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 3 ways as a sum of consecutive naturals, for example, 528 + ... + 1168.

2⁵⁴³⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

543568 is a deficient number, since it is larger than the sum of its proper divisors (531140).

543568 is a wasteful number, since it uses less digits than its factorization.

543568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 543568 is about 737.2706423017. The cubic root of 543568 is about 81.6114875536.

It can be divided in two parts, 543 and 568, that added together give a palindrome (1111).

The spelling of 543568 in words is "five hundred forty-three thousand, five hundred sixty-eight".