556281996 has 12 divisors (see below), whose sum is σ = 1297991352. Its totient is φ = 185427328.

The previous prime is 556281983. The next prime is 556282049. The reversal of 556281996 is 699182655.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23178405 + ... + 23178428.

It is an arithmetic number, because the mean of its divisors is an integer number (108165946).

Almost surely, 2^556281996 is an apocalyptic number.

It is an amenable number.

556281996 is an abundant number, since it is smaller than the sum of its proper divisors (741709356).

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

556281996 is a wasteful number, since it uses less digits than its factorization.

556281996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46356840 (or 46356838 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 556281996 is about 23585.6311342309. The cubic root of 556281996 is about 822.4288466209.

The spelling of 556281996 in words is "five hundred fifty-six million, two hundred eighty-one thousand, nine hundred ninety-six".