6552445 has 4 divisors (see below), whose sum is σ = 7862940. Its totient is φ = 5241952.

The previous prime is 6552433. The next prime is 6552449. The reversal of 6552445 is 5442556.

6552445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3545689 + 3006756 = 1883^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 6552445 - 2¹⁹ = 6028157 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6552445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6552449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655240 + ... + 655249.

It is an arithmetic number, because the mean of its divisors is an integer number (1965735).

Almost surely, 2^6552445 is an apocalyptic number.

It is an amenable number.

6552445 is a deficient number, since it is larger than the sum of its proper divisors (1310495).

6552445 is a wasteful number, since it uses less digits than its factorization.

6552445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310494.

The product of its digits is 24000, while the sum is 31.

The square root of 6552445 is about 2559.7744041224. The cubic root of 6552445 is about 187.1261409783.

The spelling of 6552445 in words is "six million, five hundred fifty-two thousand, four hundred forty-five".