255531344 has 20 divisors (see below), whose sum is σ = 495572820. Its totient is φ = 127641600.

The previous prime is 255531337. The next prime is 255531359. The reversal of 255531344 is 443135552.

It is a happy number.

255531344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141895744 + 113635600 = 11912^2 + 10660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255531344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10544 + ... + 24944.

It is an arithmetic number, because the mean of its divisors is an integer number (24778641).

Almost surely, 2^255531344 is an apocalyptic number.

It is an amenable number.

255531344 is a deficient number, since it is larger than the sum of its proper divisors (240041476).

255531344 is a wasteful number, since it uses less digits than its factorization.

255531344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15518 (or 15512 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 255531344 is about 15985.3477910241. The cubic root of 255531344 is about 634.5727127317.

Adding to 255531344 its reverse (443135552), we get a palindrome (698666896).

The spelling of 255531344 in words is "two hundred fifty-five million, five hundred thirty-one thousand, three hundred forty-four".