555243043 has 4 divisors (see below), whose sum is σ = 555773400. Its totient is φ = 554712688.

The previous prime is 555243011. The next prime is 555243067. The reversal of 555243043 is 340342555.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 555243043 - 2⁵ = 555243011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555242996 and 555243014.

It is not an unprimeable number, because it can be changed into a prime (555243343) 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 in 3 ways as a sum of consecutive naturals, for example, 263605 + ... + 265702.

It is an arithmetic number, because the mean of its divisors is an integer number (138943350).

Almost surely, 2^555243043 is an apocalyptic number.

555243043 is a deficient number, since it is larger than the sum of its proper divisors (530357).

555243043 is a wasteful number, since it uses less digits than its factorization.

555243043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530356.

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

The square root of 555243043 is about 23563.5957145763. The cubic root of 555243043 is about 821.9165180836.

Adding to 555243043 its reverse (340342555), we get a palindrome (895585598).

The spelling of 555243043 in words is "five hundred fifty-five million, two hundred forty-three thousand, forty-three".