6543056 has 40 divisors (see below), whose sum is σ = 13853280. Its totient is φ = 2975616.

The previous prime is 6543029. The next prime is 6543059. The reversal of 6543056 is 6503456.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17075 + ... + 17453.

It is an arithmetic number, because the mean of its divisors is an integer number (346332).

Almost surely, 2^6543056 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 6543056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6926640).

6543056 is an abundant number, since it is smaller than the sum of its proper divisors (7310224).

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

6543056 is a wasteful number, since it uses less digits than its factorization.

6543056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 6543056 is about 2557.9397960077. The cubic root of 6543056 is about 187.0367205572.

The spelling of 6543056 in words is "six million, five hundred forty-three thousand, fifty-six".