255545223 has 4 divisors (see below), whose sum is σ = 340726968. Its totient is φ = 170363480.

The previous prime is 255545221. The next prime is 255545261. The reversal of 255545223 is 322545552.

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 255545223 - 2¹ = 255545221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255545221) 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, 42590868 + ... + 42590873.

It is an arithmetic number, because the mean of its divisors is an integer number (85181742).

Almost surely, 2^255545223 is an apocalyptic number.

255545223 is a deficient number, since it is larger than the sum of its proper divisors (85181745).

255545223 is an equidigital number, since it uses as much as digits as its factorization.

255545223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85181744.

The product of its digits is 60000, while the sum is 33.

The square root of 255545223 is about 15985.7819014273. The cubic root of 255545223 is about 634.5842013096.

The spelling of 255545223 in words is "two hundred fifty-five million, five hundred forty-five thousand, two hundred twenty-three".