6551445 has 16 divisors (see below), whose sum is σ = 10581120. Its totient is φ = 3461184.

The previous prime is 6551429. The next prime is 6551497. The reversal of 6551445 is 5441556.

6551445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6551445 - 2⁴ = 6551429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (661320).

Almost surely, 2^6551445 is an apocalyptic number.

It is an amenable number.

6551445 is a deficient number, since it is larger than the sum of its proper divisors (4029675).

6551445 is a wasteful number, since it uses less digits than its factorization.

6551445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124.

The product of its digits is 12000, while the sum is 30.

The square root of 6551445 is about 2559.5790669561. The cubic root of 6551445 is about 187.1166210886.

It can be divided in two parts, 6551 and 445, that added together give a palindrome (6996).

The spelling of 6551445 in words is "six million, five hundred fifty-one thousand, four hundred forty-five".