552405444613 has 6 divisors (see below), whose sum is σ = 607189455782. Its totient is φ = 502186767720.

The previous prime is 552405444587. The next prime is 552405444641. The reversal of 552405444613 is 316444504255.

It can be written as a sum of positive squares in only one way, i.e., 369467034244 + 182938410369 = 607838^2 + 427713^2 .

It is a de Polignac number, because none of the positive numbers 2^k-552405444613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552405444613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552405442613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2282667006 + ... + 2282667247.

Almost surely, 2^552405444613 is an apocalyptic number.

It is an amenable number.

552405444613 is a deficient number, since it is larger than the sum of its proper divisors (54784011169).

552405444613 is a wasteful number, since it uses less digits than its factorization.

552405444613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565334275 (or 4565334264 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 552405444613 its reverse (316444504255), we get a palindrome (868849948868).

The spelling of 552405444613 in words is "five hundred fifty-two billion, four hundred five million, four hundred forty-four thousand, six hundred thirteen".