2655556 has 12 divisors (see below), whose sum is σ = 4658668. Its totient is φ = 1324512.

The previous prime is 2655539. The next prime is 2655563. The reversal of 2655556 is 6555562.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1960000 + 695556 = 1400^2 + 834^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590 + ... + 3466.

2^2655556 is an apocalyptic number.

It is an amenable number.

2655556 is a deficient number, since it is larger than the sum of its proper divisors (2003112).

2655556 is a wasteful number, since it uses less digits than its factorization.

2655556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1636 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 2655556 is about 1629.5876779112. The cubic root of 2655556 is about 138.4793941202.

The spelling of 2655556 in words is "two million, six hundred fifty-five thousand, five hundred fifty-six".