552785817613 has 2 divisors, whose sum is σ = 552785817614. Its totient is φ = 552785817612.

The previous prime is 552785817599. The next prime is 552785817629. The reversal of 552785817613 is 316718587255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552469618089 + 316199524 = 743283^2 + 17782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552785817613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552785817113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276392908806 + 276392908807.

It is an arithmetic number, because the mean of its divisors is an integer number (276392908807).

Almost surely, 2^552785817613 is an apocalyptic number.

It is an amenable number.

552785817613 is a deficient number, since it is larger than the sum of its proper divisors (1).

552785817613 is an equidigital number, since it uses as much as digits as its factorization.

552785817613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112000, while the sum is 58.

The spelling of 552785817613 in words is "five hundred fifty-two billion, seven hundred eighty-five million, eight hundred seventeen thousand, six hundred thirteen".