655503233 has 12 divisors (see below), whose sum is σ = 831845232. Its totient is φ = 510781320.

The previous prime is 655503229. The next prime is 655503241. The reversal of 655503233 is 332305556.

It is not a de Polignac number, because 655503233 - 2² = 655503229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 655503233.

It is not an unprimeable number, because it can be changed into a prime (655503253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607535 + ... + 608612.

It is an arithmetic number, because the mean of its divisors is an integer number (69320436).

Almost surely, 2^655503233 is an apocalyptic number.

It is an amenable number.

655503233 is a deficient number, since it is larger than the sum of its proper divisors (176341999).

655503233 is a wasteful number, since it uses less digits than its factorization.

655503233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216172 (or 1216165 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 32.

The square root of 655503233 is about 25602.7973666941. The cubic root of 655503233 is about 868.6769130033.

Adding to 655503233 its reverse (332305556), we get a palindrome (987808789).

The spelling of 655503233 in words is "six hundred fifty-five million, five hundred three thousand, two hundred thirty-three".