255502530553 has 4 divisors (see below), whose sum is σ = 255503561040. Its totient is φ = 255501500068.

The previous prime is 255502530529. The next prime is 255502530559. The reversal of 255502530553 is 355035205552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 255502530553 - 2²⁵ = 255468976121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255502530559) 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, 107826 + ... + 722932.

It is an arithmetic number, because the mean of its divisors is an integer number (63875890260).

Almost surely, 2^255502530553 is an apocalyptic number.

It is an amenable number.

255502530553 is a deficient number, since it is larger than the sum of its proper divisors (1030487).

255502530553 is an equidigital number, since it uses as much as digits as its factorization.

255502530553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030486.

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 255502530553 in words is "two hundred fifty-five billion, five hundred two million, five hundred thirty thousand, five hundred fifty-three".