8554561 has 4 divisors (see below), whose sum is σ = 8657712. Its totient is φ = 8451412.

The previous prime is 8554547. The next prime is 8554607. The reversal of 8554561 is 1654558.

It is a happy number.

8554561 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8554561 - 2⁵ = 8554529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8554501) 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, 51451 + ... + 51616.

It is an arithmetic number, because the mean of its divisors is an integer number (2164428).

Almost surely, 2^8554561 is an apocalyptic number.

It is an amenable number.

8554561 is a deficient number, since it is larger than the sum of its proper divisors (103151).

8554561 is a wasteful number, since it uses less digits than its factorization.

8554561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103150.

The product of its digits is 24000, while the sum is 34.

The square root of 8554561 is about 2924.8181140030. The cubic root of 8554561 is about 204.5184891711.

The spelling of 8554561 in words is "eight million, five hundred fifty-four thousand, five hundred sixty-one".