555143 has 2 divisors, whose sum is σ = 555144. Its totient is φ = 555142.

The previous prime is 555119. The next prime is 555167. The reversal of 555143 is 341555.

It is a balanced prime because it is at equal distance from previous prime (555119) and next prime (555167).

It is a cyclic number.

It is not a de Polignac number, because 555143 - 2⁸ = 554887 is a prime.

It is a Chen prime.

It is equal to p₄₅₇₁₆ and since 555143 and 45716 have the same sum of digits, it is a Honaker prime.

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 555143.

It is not a weakly prime, because it can be changed into another prime (555043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277571 + 277572.

It is an arithmetic number, because the mean of its divisors is an integer number (277572).

2⁵⁵⁵¹⁴³ is an apocalyptic number.

555143 is a deficient number, since it is larger than the sum of its proper divisors (1).

555143 is an equidigital number, since it uses as much as digits as its factorization.

555143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 555143 is about 745.0791904221. The cubic root of 555143 is about 82.1867151154.

Adding to 555143 its reverse (341555), we get a palindrome (896698).

The spelling of 555143 in words is "five hundred fifty-five thousand, one hundred forty-three".