543455663 has 4 divisors (see below), whose sum is σ = 543503160. Its totient is φ = 543408168.

The previous prime is 543455639. The next prime is 543455669. The reversal of 543455663 is 366554345.

543455663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 543455663 - 2¹⁴ = 543439279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 543455663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543455669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081 + ... + 33357.

It is an arithmetic number, because the mean of its divisors is an integer number (135875790).

Almost surely, 2^543455663 is an apocalyptic number.

543455663 is a deficient number, since it is larger than the sum of its proper divisors (47497).

543455663 is a wasteful number, since it uses less digits than its factorization.

543455663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47496.

The product of its digits is 648000, while the sum is 41.

The square root of 543455663 is about 23312.1355306630. The cubic root of 543455663 is about 816.0586506086.

The spelling of 543455663 in words is "five hundred forty-three million, four hundred fifty-five thousand, six hundred sixty-three".