255655584 has 36 divisors (see below), whose sum is σ = 727021386. Its totient is φ = 85218432.

The previous prime is 255655577. The next prime is 255655591. The reversal of 255655584 is 485556552.

255655584 is a `hidden beast` number, since 2 + 5 + 5 + 65 + 5 + 584 = 666.

It is an interprime number because it is at equal distance from previous prime (255655577) and next prime (255655591).

It can be written as a sum of positive squares in only one way, i.e., 245235600 + 10419984 = 15660^2 + 3228^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 5 ways as a sum of consecutive naturals, for example, 443559 + ... + 444134.

Almost surely, 2^255655584 is an apocalyptic number.

255655584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255655584 is an abundant number, since it is smaller than the sum of its proper divisors (471365802).

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

255655584 is a wasteful number, since it uses less digits than its factorization.

255655584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887709 (or 887698 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The square root of 255655584 is about 15989.2333774950. The cubic root of 255655584 is about 634.6755396997.

The spelling of 255655584 in words is "two hundred fifty-five million, six hundred fifty-five thousand, five hundred eighty-four".