556331130 has 48 divisors (see below), whose sum is σ = 1509356160. Its totient is φ = 141904224.

The previous prime is 556331117. The next prime is 556331131. The reversal of 556331130 is 31133655.

It is a junction number, because it is equal to n+sod(n) for n = 556331094 and 556331103.

It is not an unprimeable number, because it can be changed into a prime (556331131) 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 23 ways as a sum of consecutive naturals, for example, 132310 + ... + 136449.

It is an arithmetic number, because the mean of its divisors is an integer number (31444920).

Almost surely, 2^556331130 is an apocalyptic number.

556331130 is an abundant number, since it is smaller than the sum of its proper divisors (953025030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556331130 is a wasteful number, since it uses less digits than its factorization.

556331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268795 (or 268792 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 556331130 is about 23586.6727199917. The cubic root of 556331130 is about 822.4530597775.

Adding to 556331130 its reverse (31133655), we get a palindrome (587464785).

The spelling of 556331130 in words is "five hundred fifty-six million, three hundred thirty-one thousand, one hundred thirty".