555671 has 2 divisors, whose sum is σ = 555672. Its totient is φ = 555670.

The previous prime is 555661. The next prime is 555677. The reversal of 555671 is 176555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277835 + 277836.

It is an arithmetic number, because the mean of its divisors is an integer number (277836).

2⁵⁵⁵⁶⁷¹ is an apocalyptic number.

555671 is a deficient number, since it is larger than the sum of its proper divisors (1).

555671 is an equidigital number, since it uses as much as digits as its factorization.

555671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 29.

The square root of 555671 is about 745.4334309648. The cubic root of 555671 is about 82.2127629596.

The spelling of 555671 in words is "five hundred fifty-five thousand, six hundred seventy-one".