5561323 has 4 divisors (see below), whose sum is σ = 5566680. Its totient is φ = 5555968.

The previous prime is 5561321. The next prime is 5561333. The reversal of 5561323 is 3231655.

It is a happy number.

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 is a cyclic number.

It is not a de Polignac number, because 5561323 - 2¹ = 5561321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561321) 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, 565 + ... + 3382.

It is an arithmetic number, because the mean of its divisors is an integer number (1391670).

Almost surely, 2^5561323 is an apocalyptic number.

5561323 is a deficient number, since it is larger than the sum of its proper divisors (5357).

5561323 is a wasteful number, since it uses less digits than its factorization.

5561323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its digits is 2700, while the sum is 25.

The square root of 5561323 is about 2358.2457463123. The cubic root of 5561323 is about 177.1710285767.

Adding to 5561323 its reverse (3231655), we get a palindrome (8792978).

The spelling of 5561323 in words is "five million, five hundred sixty-one thousand, three hundred twenty-three".