255558211 has 4 divisors (see below), whose sum is σ = 256060800. Its totient is φ = 255055624.

The previous prime is 255558187. The next prime is 255558253. The reversal of 255558211 is 112855552.

255558211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255558211 - 2¹⁵ = 255525443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255358211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250531 + ... + 251548.

It is an arithmetic number, because the mean of its divisors is an integer number (64015200).

Almost surely, 2^255558211 is an apocalyptic number.

255558211 is a deficient number, since it is larger than the sum of its proper divisors (502589).

255558211 is an equidigital number, since it uses as much as digits as its factorization.

255558211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502588.

The product of its digits is 20000, while the sum is 34.

The square root of 255558211 is about 15986.1881322597. The cubic root of 255558211 is about 634.5949519703.

The spelling of 255558211 in words is "two hundred fifty-five million, five hundred fifty-eight thousand, two hundred eleven".