6550441 has 4 divisors (see below), whose sum is σ = 6556500. Its totient is φ = 6544384.

The previous prime is 6550417. The next prime is 6550471. The reversal of 6550441 is 1440556.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 3385600 = 1779^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 6550441 - 2⁵ = 6550409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (1639125).

Almost surely, 2^6550441 is an apocalyptic number.

It is an amenable number.

6550441 is a deficient number, since it is larger than the sum of its proper divisors (6059).

6550441 is a wasteful number, since it uses less digits than its factorization.

6550441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 6550441 is about 2559.3829334431. The cubic root of 6550441 is about 187.1070621448.

Adding to 6550441 its reverse (1440556), we get a palindrome (7990997).

The spelling of 6550441 in words is "six million, five hundred fifty thousand, four hundred forty-one".