556607 has 2 divisors, whose sum is σ = 556608. Its totient is φ = 556606.

The previous prime is 556601. The next prime is 556609. The reversal of 556607 is 706655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556607 - 2⁸ = 556351 is a prime.

It is a super-2 number, since 2×556607² = 619622704898, which contains 22 as substring.

Together with 556609, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556607.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 556607.

It is not a weakly prime, because it can be changed into another prime (556601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278303 + 278304.

It is an arithmetic number, because the mean of its divisors is an integer number (278304).

2⁵⁵⁶⁶⁰⁷ is an apocalyptic number.

556607 is a deficient number, since it is larger than the sum of its proper divisors (1).

556607 is an equidigital number, since it uses as much as digits as its factorization.

556607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 556607 is about 746.0609894640. The cubic root of 556607 is about 82.2588981606.

The spelling of 556607 in words is "five hundred fifty-six thousand, six hundred seven".