5605555 has 16 divisors (see below), whose sum is σ = 7074720. Its totient is φ = 4257792.

The previous prime is 5605553. The next prime is 5605559. The reversal of 5605555 is 5555065.

It is a cyclic number.

It is not a de Polignac number, because 5605555 - 2¹ = 5605553 is a prime.

It is an Ulam number.

5605555 is a modest number, since divided by 5555 gives 560 as remainder.

It is not an unprimeable number, because it can be changed into a prime (5605553) 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 15 ways as a sum of consecutive naturals, for example, 9427 + ... + 10003.

It is an arithmetic number, because the mean of its divisors is an integer number (442170).

Almost surely, 2^5605555 is an apocalyptic number.

5605555 is a deficient number, since it is larger than the sum of its proper divisors (1469165).

5605555 is a wasteful number, since it uses less digits than its factorization.

5605555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 5605555 is about 2367.6053302863. The cubic root of 5605555 is about 177.6394988811.

The spelling of 5605555 in words is "five million, six hundred five thousand, five hundred fifty-five".