556630243 has 16 divisors (see below), whose sum is σ = 606505536. Its totient is φ = 507801600.

The previous prime is 556630241. The next prime is 556630267. The reversal of 556630243 is 342036655.

It is a cyclic number.

It is not a de Polignac number, because 556630243 - 2¹ = 556630241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556630199 and 556630208.

It is not an unprimeable number, because it can be changed into a prime (556630241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456771 + ... + 457987.

It is an arithmetic number, because the mean of its divisors is an integer number (37906596).

Almost surely, 2^556630243 is an apocalyptic number.

556630243 is a deficient number, since it is larger than the sum of its proper divisors (49875293).

556630243 is a wasteful number, since it uses less digits than its factorization.

556630243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 556630243 is about 23593.0125884763. The cubic root of 556630243 is about 822.6004314376.

Adding to 556630243 its reverse (342036655), we get a palindrome (898666898).

The spelling of 556630243 in words is "five hundred fifty-six million, six hundred thirty thousand, two hundred forty-three".