555565573 has 2 divisors, whose sum is σ = 555565574. Its totient is φ = 555565572.

The previous prime is 555565537. The next prime is 555565579. The reversal of 555565573 is 375565555.

Together with previous prime (555565537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472062529 + 83503044 = 21727^2 + 9138^2 .

It is a cyclic number.

It is not a de Polignac number, because 555565573 - 2⁹ = 555565061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555565579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277782786 + 277782787.

It is an arithmetic number, because the mean of its divisors is an integer number (277782787).

Almost surely, 2^555565573 is an apocalyptic number.

It is an amenable number.

555565573 is a deficient number, since it is larger than the sum of its proper divisors (1).

555565573 is an equidigital number, since it uses as much as digits as its factorization.

555565573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1968750, while the sum is 46.

The square root of 555565573 is about 23570.4385406806. The cubic root of 555565573 is about 822.0756324423.

The spelling of 555565573 in words is "five hundred fifty-five million, five hundred sixty-five thousand, five hundred seventy-three".