555252505303 has 4 divisors (see below), whose sum is σ = 555817361328. Its totient is φ = 554687649280.

The previous prime is 555252505289. The next prime is 555252505331. The reversal of 555252505303 is 303505252555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 555252505303 - 2⁹ = 555252504791 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 (555252545303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282426538 + ... + 282428503.

It is an arithmetic number, because the mean of its divisors is an integer number (138954340332).

Almost surely, 2^555252505303 is an apocalyptic number.

555252505303 is a deficient number, since it is larger than the sum of its proper divisors (564856025).

555252505303 is an equidigital number, since it uses as much as digits as its factorization.

555252505303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564856024.

The product of its (nonzero) digits is 562500, while the sum is 40.

Adding to 555252505303 its reverse (303505252555), we get a palindrome (858757757858).

The spelling of 555252505303 in words is "five hundred fifty-five billion, two hundred fifty-two million, five hundred five thousand, three hundred three".