555944513 has 2 divisors, whose sum is σ = 555944514. Its totient is φ = 555944512.

The previous prime is 555944453. The next prime is 555944531. The reversal of 555944513 is 315449555.

555944513 = 16672² + 16673².

Together with next prime (555944531) 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., 277988929 + 277955584 = 16673^2 + 16672^2 .

It is a cyclic number.

It is not a de Polignac number, because 555944513 - 2⁶ = 555944449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (555944563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277972256 + 277972257.

It is an arithmetic number, because the mean of its divisors is an integer number (277972257).

Almost surely, 2^555944513 is an apocalyptic number.

555944513 is the 16673-rd centered square number.

It is an amenable number.

555944513 is a deficient number, since it is larger than the sum of its proper divisors (1).

555944513 is an equidigital number, since it uses as much as digits as its factorization.

555944513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 41.

The square root of 555944513 is about 23578.4756292683. The cubic root of 555944513 is about 822.2624969971.

The spelling of 555944513 in words is "five hundred fifty-five million, nine hundred forty-four thousand, five hundred thirteen".