543685648 has 20 divisors (see below), whose sum is σ = 1149154128. Its totient is φ = 247129760.

The previous prime is 543685643. The next prime is 543685669. The reversal of 543685648 is 846586345.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (543685643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544386 + ... + 1544737.

Almost surely, 2^543685648 is an apocalyptic number.

It is an amenable number.

543685648 is an abundant number, since it is smaller than the sum of its proper divisors (605468480).

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

543685648 is a wasteful number, since it uses less digits than its factorization.

543685648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089142 (or 3089136 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

The square root of 543685648 is about 23317.0677401769. The cubic root of 543685648 is about 816.1737503262.

The spelling of 543685648 in words is "five hundred forty-three million, six hundred eighty-five thousand, six hundred forty-eight".