6545856 has 56 divisors (see below), whose sum is σ = 17540224. Its totient is φ = 2154240.

The previous prime is 6545839. The next prime is 6545857. The reversal of 6545856 is 6585456.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545857) 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, 19611 + ... + 19941.

Almost surely, 2^6545856 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 6545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8770112).

6545856 is an abundant number, since it is smaller than the sum of its proper divisors (10994368).

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

6545856 is a wasteful number, since it uses less digits than its factorization.

6545856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 439 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 6545856 is about 2558.4870529280. The cubic root of 6545856 is about 187.0633965800.

The spelling of 6545856 in words is "six million, five hundred forty-five thousand, eight hundred fifty-six".