255255555 has 16 divisors (see below), whose sum is σ = 410918400. Its totient is φ = 135299808.

The previous prime is 255255521. The next prime is 255255577. The reversal of 255255555 is 555552552.

255255555 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 255255555 - 2⁹ = 255255043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49755 + ... + 54644.

It is an arithmetic number, because the mean of its divisors is an integer number (25682400).

Almost surely, 2^255255555 is an apocalyptic number.

255255555 is a deficient number, since it is larger than the sum of its proper divisors (155662845).

255255555 is a wasteful number, since it uses less digits than its factorization.

255255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104570.

The product of its digits is 312500, while the sum is 39.

The square root of 255255555 is about 15976.7191563224. The cubic root of 255255555 is about 634.3443373921.

The spelling of 255255555 in words is "two hundred fifty-five million, two hundred fifty-five thousand, five hundred fifty-five".