556042032 has 120 divisors (see below), whose sum is σ = 1915301024. Its totient is φ = 146644992.

The previous prime is 556041991. The next prime is 556042061. The reversal of 556042032 is 230240655.

556042032 is a `hidden beast` number, since 5 + 5 + 604 + 20 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 556041987 and 556042005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8113 + ... + 34320.

Almost surely, 2^556042032 is an apocalyptic number.

556042032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556042032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957650512).

556042032 is an abundant number, since it is smaller than the sum of its proper divisors (1359258992).

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

556042032 is a wasteful number, since it uses less digits than its factorization.

556042032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42467 (or 42458 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 556042032 is about 23580.5435051866. The cubic root of 556042032 is about 822.3105722555.

Adding to 556042032 its reverse (230240655), we get a palindrome (786282687).

The spelling of 556042032 in words is "five hundred fifty-six million, forty-two thousand, thirty-two".