5556555 has 12 divisors (see below), whose sum is σ = 9631440. Its totient is φ = 2963472.

The previous prime is 5556539. The next prime is 5556557.

5556555 is a `hidden beast` number, since 55 + 56 + 555 = 666.

5556555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556555 - 2⁴ = 5556539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5556557) 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 in 11 ways as a sum of consecutive naturals, for example, 61695 + ... + 61784.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^5556555 is an apocalyptic number.

5556555 is a deficient number, since it is larger than the sum of its proper divisors (4074885).

5556555 is a wasteful number, since it uses less digits than its factorization.

5556555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123490 (or 123487 counting only the distinct ones).

The product of its digits is 93750, while the sum is 36.

The square root of 5556555 is about 2357.2346086039. The cubic root of 5556555 is about 177.1203815756.

The spelling of 5556555 in words is "five million, five hundred fifty-six thousand, five hundred fifty-five".