255564236 has 12 divisors (see below), whose sum is σ = 447864480. Its totient is φ = 127602960.

The previous prime is 255564233. The next prime is 255564241. The reversal of 255564236 is 632465552.

It is a self number, because there is not a number n which added to its sum of digits gives 255564236.

It is not an unprimeable number, because it can be changed into a prime (255564233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41555 + ... + 47306.

It is an arithmetic number, because the mean of its divisors is an integer number (37322040).

Almost surely, 2^255564236 is an apocalyptic number.

It is an amenable number.

255564236 is a deficient number, since it is larger than the sum of its proper divisors (192300244).

255564236 is a wasteful number, since it uses less digits than its factorization.

255564236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89584 (or 89582 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 255564236 is about 15986.3765750717. The cubic root of 255564236 is about 634.5999389679.

It can be divided in two parts, 25556 and 4236, that added together give a palindrome (29792).

The spelling of 255564236 in words is "two hundred fifty-five million, five hundred sixty-four thousand, two hundred thirty-six".