555696569 has 2 divisors, whose sum is σ = 555696570. Its totient is φ = 555696568.

The previous prime is 555696541. The next prime is 555696613. The reversal of 555696569 is 965696555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317302969 + 238393600 = 17813^2 + 15440^2 .

It is a cyclic number.

It is not a de Polignac number, because 555696569 - 2²⁰ = 554647993 is a prime.

It is a super-2 number, since 2×555696569² = 617597353596743522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555696529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277848284 + 277848285.

It is an arithmetic number, because the mean of its divisors is an integer number (277848285).

Almost surely, 2^555696569 is an apocalyptic number.

It is an amenable number.

555696569 is a deficient number, since it is larger than the sum of its proper divisors (1).

555696569 is an equidigital number, since it uses as much as digits as its factorization.

555696569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935000, while the sum is 56.

The square root of 555696569 is about 23573.2171966408. The cubic root of 555696569 is about 822.1402393714.

The spelling of 555696569 in words is "five hundred fifty-five million, six hundred ninety-six thousand, five hundred sixty-nine".