555043 has 2 divisors, whose sum is σ = 555044. Its totient is φ = 555042.

The previous prime is 555041. The next prime is 555053. The reversal of 555043 is 340555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555043 - 2¹ = 555041 is a prime.

Together with 555041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (555041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277521 + 277522.

It is an arithmetic number, because the mean of its divisors is an integer number (277522).

2⁵⁵⁵⁰⁴³ is an apocalyptic number.

555043 is a deficient number, since it is larger than the sum of its proper divisors (1).

555043 is an equidigital number, since it uses as much as digits as its factorization.

555043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 555043 is about 745.0120804390. The cubic root of 555043 is about 82.1817799515.

Adding to 555043 its reverse (340555), we get a palindrome (895598).

The spelling of 555043 in words is "five hundred fifty-five thousand, forty-three".