255506363 has 4 divisors (see below), whose sum is σ = 292007280. Its totient is φ = 219005448.

The previous prime is 255506299. The next prime is 255506399. The reversal of 255506363 is 363605552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255506363 - 2⁶ = 255506299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255506663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18250448 + ... + 18250461.

It is an arithmetic number, because the mean of its divisors is an integer number (73001820).

Almost surely, 2^255506363 is an apocalyptic number.

255506363 is a deficient number, since it is larger than the sum of its proper divisors (36500917).

255506363 is an equidigital number, since it uses as much as digits as its factorization.

255506363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36500916.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 255506363 is about 15984.5664001248. The cubic root of 255506363 is about 634.5520332366.

It can be divided in two parts, 25550 and 6363, that added together give a palindrome (31913).

The spelling of 255506363 in words is "two hundred fifty-five million, five hundred six thousand, three hundred sixty-three".