5405566 has 8 divisors (see below), whose sum is σ = 8132760. Its totient is φ = 2694648.

The previous prime is 5405539. The next prime is 5405579. The reversal of 5405566 is 6655045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201 + ... + 4588.

It is an arithmetic number, because the mean of its divisors is an integer number (1016595).

Almost surely, 2^5405566 is an apocalyptic number.

5405566 is a deficient number, since it is larger than the sum of its proper divisors (2727194).

5405566 is a wasteful number, since it uses less digits than its factorization.

5405566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138.

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

The square root of 5405566 is about 2324.9873117933. The cubic root of 5405566 is about 175.5013216785.

The spelling of 5405566 in words is "five million, four hundred five thousand, five hundred sixty-six".