255511230 has 32 divisors (see below), whose sum is σ = 660399264. Its totient is φ = 62894976.

The previous prime is 255511219. The next prime is 255511253. The reversal of 255511230 is 32115552.

It is a happy number.

It is a super-2 number, since 2×255511230² = 130571977312225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255511230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327189 + ... + 327968.

It is an arithmetic number, because the mean of its divisors is an integer number (20637477).

Almost surely, 2^255511230 is an apocalyptic number.

255511230 is an abundant number, since it is smaller than the sum of its proper divisors (404888034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255511230 is a wasteful number, since it uses less digits than its factorization.

255511230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655180.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 255511230 is about 15984.7186400011. The cubic root of 255511230 is about 634.5560622884.

Adding to 255511230 its reverse (32115552), we get a palindrome (287626782).

The spelling of 255511230 in words is "two hundred fifty-five million, five hundred eleven thousand, two hundred thirty".