255564258 has 16 divisors (see below), whose sum is σ = 519508416. Its totient is φ = 83791440.

The previous prime is 255564241. The next prime is 255564317. The reversal of 255564258 is 852465552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348766 + ... + 349497.

It is an arithmetic number, because the mean of its divisors is an integer number (32469276).

Almost surely, 2^255564258 is an apocalyptic number.

255564258 is an abundant number, since it is smaller than the sum of its proper divisors (263944158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255564258 is a wasteful number, since it uses less digits than its factorization.

255564258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698329.

The product of its digits is 480000, while the sum is 42.

The square root of 255564258 is about 15986.3772631575. The cubic root of 255564258 is about 634.5999571776.

The spelling of 255564258 in words is "two hundred fifty-five million, five hundred sixty-four thousand, two hundred fifty-eight".