556065439 has 2 divisors, whose sum is σ = 556065440. Its totient is φ = 556065438.

The previous prime is 556065403. The next prime is 556065463. The reversal of 556065439 is 934560655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556065439 - 2⁷ = 556065311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556065395 and 556065404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556065479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278032719 + 278032720.

It is an arithmetic number, because the mean of its divisors is an integer number (278032720).

Almost surely, 2^556065439 is an apocalyptic number.

556065439 is a deficient number, since it is larger than the sum of its proper divisors (1).

556065439 is an equidigital number, since it uses as much as digits as its factorization.

556065439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 556065439 is about 23581.0398201606. The cubic root of 556065439 is about 822.3221106839.

The spelling of 556065439 in words is "five hundred fifty-six million, sixty-five thousand, four hundred thirty-nine".