5565406 has 32 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 2133600.

The previous prime is 5565401. The next prime is 5565449. The reversal of 5565406 is 6045655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10680 + ... + 11188.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^5565406 is an apocalyptic number.

5565406 is a deficient number, since it is larger than the sum of its proper divisors (5009954).

5565406 is a wasteful number, since it uses less digits than its factorization.

5565406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5565406 is about 2359.1112733400. Note that the first 3 decimals coincide. The cubic root of 5565406 is about 177.2143763166.

Subtracting 5565406 from its reverse (6045655), we obtain a square (480249 = 693²).

The spelling of 5565406 in words is "five million, five hundred sixty-five thousand, four hundred six".