555545647 has 2 divisors, whose sum is σ = 555545648. Its totient is φ = 555545646.

The previous prime is 555545633. The next prime is 555545659. The reversal of 555545647 is 746545555.

555545647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555545647 - 2¹⁹ = 555021359 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 555545597 and 555545606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553545647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277772823 + 277772824.

It is an arithmetic number, because the mean of its divisors is an integer number (277772824).

Almost surely, 2^555545647 is an apocalyptic number.

555545647 is a deficient number, since it is larger than the sum of its proper divisors (1).

555545647 is an equidigital number, since it uses as much as digits as its factorization.

555545647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100000, while the sum is 46.

The square root of 555545647 is about 23570.0158464096. The cubic root of 555545647 is about 822.0658040946.

The spelling of 555545647 in words is "five hundred fifty-five million, five hundred forty-five thousand, six hundred forty-seven".