556601120 has 48 divisors (see below), whose sum is σ = 1321282368. Its totient is φ = 221571840.

The previous prime is 556601113. The next prime is 556601167. The reversal of 556601120 is 21106655.

It is a self number, because there is not a number n which added to its sum of digits gives 556601120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25517 + ... + 42003.

It is an arithmetic number, because the mean of its divisors is an integer number (27526716).

Almost surely, 2^556601120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556601120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660641184).

556601120 is an abundant number, since it is smaller than the sum of its proper divisors (764681248).

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

556601120 is a wasteful number, since it uses less digits than its factorization.

556601120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16713 (or 16705 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 556601120 is about 23592.3953849540. The cubic root of 556601120 is about 822.5860849838.

Adding to 556601120 its reverse (21106655), we get a palindrome (577707775).

The spelling of 556601120 in words is "five hundred fifty-six million, six hundred one thousand, one hundred twenty".