255828553 has 4 divisors (see below), whose sum is σ = 256094080. Its totient is φ = 255563028.

The previous prime is 255828541. The next prime is 255828577. The reversal of 255828553 is 355828552.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255828553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255828533) 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, 131313 + ... + 133246.

It is an arithmetic number, because the mean of its divisors is an integer number (64023520).

Almost surely, 2^255828553 is an apocalyptic number.

It is an amenable number.

255828553 is a deficient number, since it is larger than the sum of its proper divisors (265527).

255828553 is an equidigital number, since it uses as much as digits as its factorization.

255828553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265526.

The product of its digits is 480000, while the sum is 43.

The square root of 255828553 is about 15994.6413839136. The cubic root of 255828553 is about 634.8186416590.

Subtracting 255828553 from its reverse (355828552), we obtain a palindrome (99999999).

The spelling of 255828553 in words is "two hundred fifty-five million, eight hundred twenty-eight thousand, five hundred fifty-three".