8553445 has 4 divisors (see below), whose sum is σ = 10264140. Its totient is φ = 6842752.

The previous prime is 8553437. The next prime is 8553449. The reversal of 8553445 is 5443558.

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 2313441 + 6240004 = 1521^2 + 2498^2 .

It is a cyclic number.

It is not a de Polignac number, because 8553445 - 2³ = 8553437 is a prime.

It is a super-2 number, since 2×8553445² = 146322842736050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8553445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8553449) 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, 855340 + ... + 855349.

It is an arithmetic number, because the mean of its divisors is an integer number (2566035).

Almost surely, 2^8553445 is an apocalyptic number.

It is an amenable number.

8553445 is a deficient number, since it is larger than the sum of its proper divisors (1710695).

8553445 is a wasteful number, since it uses less digits than its factorization.

8553445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710694.

The product of its digits is 48000, while the sum is 34.

The square root of 8553445 is about 2924.6273266863. The cubic root of 8553445 is about 204.5095951803.

It can be divided in two parts, 8553 and 445, that added together give a palindrome (8998).

The spelling of 8553445 in words is "eight million, five hundred fifty-three thousand, four hundred forty-five".