555655469 has 2 divisors, whose sum is σ = 555655470. Its totient is φ = 555655468.

The previous prime is 555655453. The next prime is 555655537. The reversal of 555655469 is 964556555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504002500 + 51652969 = 22450^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 555655469 - 2⁴ = 555655453 is a prime.

It is a super-2 number, since 2×555655469² = 617506000459219922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555655409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277827734 + 277827735.

It is an arithmetic number, because the mean of its divisors is an integer number (277827735).

Almost surely, 2^555655469 is an apocalyptic number.

It is an amenable number.

555655469 is a deficient number, since it is larger than the sum of its proper divisors (1).

555655469 is an equidigital number, since it uses as much as digits as its factorization.

555655469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050000, while the sum is 50.

The square root of 555655469 is about 23572.3454284889. The cubic root of 555655469 is about 822.1199700381.

The spelling of 555655469 in words is "five hundred fifty-five million, six hundred fifty-five thousand, four hundred sixty-nine".