6550544 has 80 divisors (see below), whose sum is σ = 17082240. Its totient is φ = 2350080.

The previous prime is 6550519. The next prime is 6550547. The reversal of 6550544 is 4450556.

It is not an unprimeable number, because it can be changed into a prime (6550547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15812 + ... + 16220.

It is an arithmetic number, because the mean of its divisors is an integer number (213528).

Almost surely, 2^6550544 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 6550544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8541120).

6550544 is an abundant number, since it is smaller than the sum of its proper divisors (10531696).

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

6550544 is a wasteful number, since it uses less digits than its factorization.

6550544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 6550544 is about 2559.4030554018. The cubic root of 6550544 is about 187.1080428383.

The spelling of 6550544 in words is "six million, five hundred fifty thousand, five hundred forty-four".