5556605 has 8 divisors (see below), whose sum is σ = 6680664. Its totient is φ = 4436800.

The previous prime is 5556559. The next prime is 5556619. The reversal of 5556605 is 5066555.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 3632836 = 1387^2 + 1906^2 .

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

It is not a de Polignac number, because 5556605 - 2¹² = 5552509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4115 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (835083).

Almost surely, 2^5556605 is an apocalyptic number.

It is an amenable number.

5556605 is a deficient number, since it is larger than the sum of its proper divisors (1124059).

5556605 is a wasteful number, since it uses less digits than its factorization.

5556605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 5556605 is about 2357.2452142278. The cubic root of 5556605 is about 177.1209128396.

The spelling of 5556605 in words is "five million, five hundred fifty-six thousand, six hundred five".