503543668 has 12 divisors (see below), whose sum is σ = 882003780. Its totient is φ = 251542592.

The previous prime is 503543641. The next prime is 503543671. The reversal of 503543668 is 866345305.

It can be written as a sum of positive squares in 2 ways, for example, as 169312144 + 334231524 = 13012^2 + 18282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 503543668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52321 + ... + 61192.

It is an arithmetic number, because the mean of its divisors is an integer number (73500315).

Almost surely, 2^503543668 is an apocalyptic number.

It is an amenable number.

503543668 is a deficient number, since it is larger than the sum of its proper divisors (378460112).

503543668 is a wasteful number, since it uses less digits than its factorization.

503543668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114626 (or 114624 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 503543668 is about 22439.7786976610. The cubic root of 503543668 is about 795.5711876875.

The spelling of 503543668 in words is "five hundred three million, five hundred forty-three thousand, six hundred sixty-eight".