5566555 has 8 divisors (see below), whose sum is σ = 6789744. Its totient is φ = 4380000.

The previous prime is 5566553. The next prime is 5566559. The reversal of 5566555 is 5556655.

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

It is not a de Polignac number, because 5566555 - 2¹ = 5566553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5566553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8821 + ... + 9430.

It is an arithmetic number, because the mean of its divisors is an integer number (848718).

Almost surely, 2^5566555 is an apocalyptic number.

5566555 is a deficient number, since it is larger than the sum of its proper divisors (1223189).

5566555 is a wasteful number, since it uses less digits than its factorization.

5566555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18317.

The product of its digits is 112500, while the sum is 37.

The square root of 5566555 is about 2359.3547846816. The cubic root of 5566555 is about 177.2265710129.

It can be divided in two parts, 55665 and 55, that multiplied together give a triangular number (3061575 = T₂₄₇₄).

The spelling of 5566555 in words is "five million, five hundred sixty-six thousand, five hundred fifty-five".