255530653 has 4 divisors (see below), whose sum is σ = 292035040. Its totient is φ = 219026268.

The previous prime is 255530641. The next prime is 255530657. The reversal of 255530653 is 356035552.

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 not a de Polignac number, because 255530653 - 2⁹ = 255530141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255530657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18252183 + ... + 18252196.

It is an arithmetic number, because the mean of its divisors is an integer number (73008760).

Almost surely, 2^255530653 is an apocalyptic number.

It is an amenable number.

255530653 is a deficient number, since it is larger than the sum of its proper divisors (36504387).

255530653 is an equidigital number, since it uses as much as digits as its factorization.

255530653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36504386.

The product of its (nonzero) digits is 67500, while the sum is 34.

The square root of 255530653 is about 15985.3261774666. The cubic root of 255530653 is about 634.5721407339.

The spelling of 255530653 in words is "two hundred fifty-five million, five hundred thirty thousand, six hundred fifty-three".