2655855 has 32 divisors (see below), whose sum is σ = 4792320. Its totient is φ = 1395360.

The previous prime is 2655853. The next prime is 2655881. The reversal of 2655855 is 5585562.

2655855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2655855 - 2¹ = 2655853 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655853) 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 31 ways as a sum of consecutive naturals, for example, 13810 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

2^2655855 is an apocalyptic number.

2655855 is a deficient number, since it is larger than the sum of its proper divisors (2136465).

2655855 is a wasteful number, since it uses less digits than its factorization.

2655855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 2655855 is about 1629.6794163270. The cubic root of 2655855 is about 138.4845912471.

The spelling of 2655855 in words is "two million, six hundred fifty-five thousand, eight hundred fifty-five".