255543043 has 4 divisors (see below), whose sum is σ = 292049200. Its totient is φ = 219036888.

The previous prime is 255543019. The next prime is 255543049. The reversal of 255543043 is 340345552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255543043 - 2⁹ = 255542531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255542996 and 255543014.

It is not an unprimeable number, because it can be changed into a prime (255543049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18253068 + ... + 18253081.

It is an arithmetic number, because the mean of its divisors is an integer number (73012300).

Almost surely, 2^255543043 is an apocalyptic number.

255543043 is a deficient number, since it is larger than the sum of its proper divisors (36506157).

255543043 is an equidigital number, since it uses as much as digits as its factorization.

255543043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36506156.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 255543043 is about 15985.7137156900. The cubic root of 255543043 is about 634.5823968051.

Adding to 255543043 its reverse (340345552), we get a palindrome (595888595).

The spelling of 255543043 in words is "two hundred fifty-five million, five hundred forty-three thousand, forty-three".