556841243 has 12 divisors (see below), whose sum is σ = 648199440. Its totient is φ = 476964432.

The previous prime is 556841237. The next prime is 556841281. The reversal of 556841243 is 342148655.

It is not a de Polignac number, because 556841243 - 2¹⁴ = 556824859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556841197 and 556841206.

It is not an unprimeable number, because it can be changed into a prime (556841543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91778 + ... + 97656.

It is an arithmetic number, because the mean of its divisors is an integer number (54016620).

Almost surely, 2^556841243 is an apocalyptic number.

556841243 is a deficient number, since it is larger than the sum of its proper divisors (91358197).

556841243 is a wasteful number, since it uses less digits than its factorization.

556841243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826 (or 7819 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 556841243 is about 23597.4838277304. The cubic root of 556841243 is about 822.7043584558.

Adding to 556841243 its reverse (342148655), we get a palindrome (898989898).

The spelling of 556841243 in words is "five hundred fifty-six million, eight hundred forty-one thousand, two hundred forty-three".