255888553 has 4 divisors (see below), whose sum is σ = 255923668. Its totient is φ = 255853440.

The previous prime is 255888551. The next prime is 255888631. The reversal of 255888553 is 355888552.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 209757289 + 46131264 = 14483^2 + 6792^2 .

It is a cyclic number.

It is not a de Polignac number, because 255888553 - 2¹ = 255888551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255888497 and 255888506.

It is not an unprimeable number, because it can be changed into a prime (255888551) 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, 2076 + ... + 22717.

It is an arithmetic number, because the mean of its divisors is an integer number (63980917).

Almost surely, 2^255888553 is an apocalyptic number.

It is an amenable number.

255888553 is a deficient number, since it is larger than the sum of its proper divisors (35115).

255888553 is a wasteful number, since it uses less digits than its factorization.

255888553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35114.

The product of its digits is 1920000, while the sum is 49.

The square root of 255888553 is about 15996.5169021259. The cubic root of 255888553 is about 634.8682662230.

Subtracting 255888553 from its reverse (355888552), we obtain a palindrome (99999999).

The spelling of 255888553 in words is "two hundred fifty-five million, eight hundred eighty-eight thousand, five hundred fifty-three".