255557258 has 64 divisors (see below), whose sum is σ = 456192000. Its totient is φ = 106142400.

The previous prime is 255557257. The next prime is 255557279. The reversal of 255557258 is 852755552.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255557257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2344508 + ... + 2344616.

It is an arithmetic number, because the mean of its divisors is an integer number (7128000).

Almost surely, 2^255557258 is an apocalyptic number.

255557258 is a deficient number, since it is larger than the sum of its proper divisors (200634742).

255557258 is a wasteful number, since it uses less digits than its factorization.

255557258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its digits is 700000, while the sum is 44.

The square root of 255557258 is about 15986.1583252513. The cubic root of 255557258 is about 634.5941631484.

The spelling of 255557258 in words is "two hundred fifty-five million, five hundred fifty-seven thousand, two hundred fifty-eight".