2555155 has 16 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 1961440.

The previous prime is 2555141. The next prime is 2555159. The reversal of 2555155 is 5515552.

It is a happy number.

It is not a de Polignac number, because 2555155 - 2⁵ = 2555123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19440 + ... + 19570.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

2^2555155 is an apocalyptic number.

2555155 is a deficient number, since it is larger than the sum of its proper divisors (638189).

2555155 is a wasteful number, since it uses less digits than its factorization.

2555155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 6250, while the sum is 28.

The square root of 2555155 is about 1598.4852204509. The cubic root of 2555155 is about 136.7117208849.

The spelling of 2555155 in words is "two million, five hundred fifty-five thousand, one hundred fifty-five".