255575278 has 24 divisors (see below), whose sum is σ = 450139032. Its totient is φ = 108504144.

The previous prime is 255575267. The next prime is 255575279. The reversal of 255575278 is 872575552.

255575278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255575279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1701 + ... + 22672.

It is an arithmetic number, because the mean of its divisors is an integer number (18755793).

Almost surely, 2^255575278 is an apocalyptic number.

255575278 is a deficient number, since it is larger than the sum of its proper divisors (194563754).

255575278 is a wasteful number, since it uses less digits than its factorization.

255575278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24496 (or 24489 counting only the distinct ones).

The product of its digits is 980000, while the sum is 46.

The square root of 255575278 is about 15986.7219279000. The cubic root of 255575278 is about 634.6090784204.

The spelling of 255575278 in words is "two hundred fifty-five million, five hundred seventy-five thousand, two hundred seventy-eight".