543642256 has 10 divisors (see below), whose sum is σ = 1053306902. Its totient is φ = 271821120.

The previous prime is 543642251. The next prime is 543642259. The reversal of 543642256 is 652246345.

It can be written as a sum of positive squares in only one way, i.e., 543635856 + 6400 = 23316^2 + 80^2 .

It is not an unprimeable number, because it can be changed into a prime (543642251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16988805 + ... + 16988836.

Almost surely, 2^543642256 is an apocalyptic number.

It is an amenable number.

543642256 is a deficient number, since it is larger than the sum of its proper divisors (509664646).

543642256 is a wasteful number, since it uses less digits than its factorization.

543642256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33977649 (or 33977643 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 543642256 is about 23316.1372444065. The cubic root of 543642256 is about 816.1520365818.

The spelling of 543642256 in words is "five hundred forty-three million, six hundred forty-two thousand, two hundred fifty-six".