255536775 has 120 divisors (see below), whose sum is σ = 540684144. Its totient is φ = 118195200.

The previous prime is 255536761. The next prime is 255536779. The reversal of 255536775 is 577635552.

255536775 is a `hidden beast` number, since 25 + 553 + 6 + 7 + 75 = 666.

It is not a de Polignac number, because 255536775 - 2⁴ = 255536759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 255536775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255536779) 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 119 ways as a sum of consecutive naturals, for example, 447240 + ... + 447810.

Almost surely, 2^255536775 is an apocalyptic number.

255536775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255536775 is an abundant number, since it is smaller than the sum of its proper divisors (285147369).

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

255536775 is a wasteful number, since it uses less digits than its factorization.

255536775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 609 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 45.

The square root of 255536775 is about 15985.5176644361. The cubic root of 255536775 is about 634.5772083837.

The spelling of 255536775 in words is "two hundred fifty-five million, five hundred thirty-six thousand, seven hundred seventy-five".