556981932 has 48 divisors (see below), whose sum is σ = 1401892352. Its totient is φ = 171097920.

The previous prime is 556981883. The next prime is 556981933. The reversal of 556981932 is 239189655.

It is a happy number.

556981932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (556981933) 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, 105213 + ... + 110379.

Almost surely, 2^556981932 is an apocalyptic number.

556981932 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

556981932 is an abundant number, since it is smaller than the sum of its proper divisors (844910420).

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

556981932 is a wasteful number, since it uses less digits than its factorization.

556981932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 5876 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 556981932 is about 23600.4646564427. The cubic root of 556981932 is about 822.7736395471.

It can be divided in two parts, 55698 and 1932, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 556981932 in words is "five hundred fifty-six million, nine hundred eighty-one thousand, nine hundred thirty-two".