255210555 has 16 divisors (see below), whose sum is σ = 413932320. Its totient is φ = 134247168.

The previous prime is 255210551. The next prime is 255210559. The reversal of 255210555 is 555012552.

It is an interprime number because it is at equal distance from previous prime (255210551) and next prime (255210559).

It is not a de Polignac number, because 255210555 - 2² = 255210551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255210551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115440 + ... + 117629.

It is an arithmetic number, because the mean of its divisors is an integer number (25870770).

Almost surely, 2^255210555 is an apocalyptic number.

255210555 is a deficient number, since it is larger than the sum of its proper divisors (158721765).

255210555 is a wasteful number, since it uses less digits than its factorization.

255210555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233150.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 255210555 is about 15975.3107950988. The cubic root of 255210555 is about 634.3070581867.

The spelling of 255210555 in words is "two hundred fifty-five million, two hundred ten thousand, five hundred fifty-five".