552320421313 has 4 divisors (see below), whose sum is σ = 555182185348. Its totient is φ = 549458657280.

The previous prime is 552320421287. The next prime is 552320421343. The reversal of 552320421313 is 313124023255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313124023255 = 5 ⋅62624804651.

It can be written as a sum of positive squares in 2 ways, for example, as 78189022129 + 474131399184 = 279623^2 + 688572^2 .

It is a cyclic number.

It is not a de Polignac number, because 552320421313 - 2⁹ = 552320420801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552320421343) 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, 1430881728 + ... + 1430882113.

It is an arithmetic number, because the mean of its divisors is an integer number (138795546337).

Almost surely, 2^552320421313 is an apocalyptic number.

It is an amenable number.

552320421313 is a deficient number, since it is larger than the sum of its proper divisors (2861764035).

552320421313 is a wasteful number, since it uses less digits than its factorization.

552320421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861764034.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 552320421313 its reverse (313124023255), we get a palindrome (865444444568).

The spelling of 552320421313 in words is "five hundred fifty-two billion, three hundred twenty million, four hundred twenty-one thousand, three hundred thirteen".