543500056 has 48 divisors (see below), whose sum is σ = 1129201920. Its totient is φ = 245044800.

The previous prime is 543500053. The next prime is 543500077. The reversal of 543500056 is 650005345.

It is a junction number, because it is equal to n+sod(n) for n = 543499997 and 543500033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543500053) 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 in 11 ways as a sum of consecutive naturals, for example, 120726 + ... + 125146.

It is an arithmetic number, because the mean of its divisors is an integer number (23525040).

Almost surely, 2^543500056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543500056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564600960).

543500056 is an abundant number, since it is smaller than the sum of its proper divisors (585701864).

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

543500056 is a wasteful number, since it uses less digits than its factorization.

543500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 4561 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 543500056 is about 23313.0876547917. The cubic root of 543500056 is about 816.0808703331.

The spelling of 543500056 in words is "five hundred forty-three million, five hundred thousand, fifty-six".