556069 has 2 divisors, whose sum is σ = 556070. Its totient is φ = 556068.

The previous prime is 556067. The next prime is 556093. The reversal of 556069 is 960655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471969 + 84100 = 687^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 556069 - 2¹ = 556067 is a prime.

It is a super-2 number, since 2×556069² = 618425465522, which contains 22 as substring.

Together with 556067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 556069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278034 + 278035.

It is an arithmetic number, because the mean of its divisors is an integer number (278035).

2⁵⁵⁶⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

556069 is a deficient number, since it is larger than the sum of its proper divisors (1).

556069 is an equidigital number, since it uses as much as digits as its factorization.

556069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 556069 is about 745.7003419605. The cubic root of 556069 is about 82.2323866043.

The spelling of 556069 in words is "five hundred fifty-six thousand, sixty-nine".