5559566 has 4 divisors (see below), whose sum is σ = 8339352. Its totient is φ = 2779782.

The previous prime is 5559553. The next prime is 5559569. The reversal of 5559566 is 6659555.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5559569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389890 + ... + 1389893.

It is an arithmetic number, because the mean of its divisors is an integer number (2084838).

Almost surely, 2^5559566 is an apocalyptic number.

5559566 is a deficient number, since it is larger than the sum of its proper divisors (2779786).

5559566 is a wasteful number, since it uses less digits than its factorization.

5559566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779785.

The product of its digits is 202500, while the sum is 41.

The square root of 5559566 is about 2357.8731942155. The cubic root of 5559566 is about 177.1523686112.

The spelling of 5559566 in words is "five million, five hundred fifty-nine thousand, five hundred sixty-six".