556011128 has 32 divisors (see below), whose sum is σ = 1084829760. Its totient is φ = 266947200.

The previous prime is 556011109. The next prime is 556011149. The reversal of 556011128 is 821110655.

It is a super-3 number, since 3×556011128³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556011128.

It is a congruent number.

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, 5978 + ... + 33878.

It is an arithmetic number, because the mean of its divisors is an integer number (33900930).

Almost surely, 2^556011128 is an apocalyptic number.

It is an amenable number.

556011128 is a deficient number, since it is larger than the sum of its proper divisors (528818632).

556011128 is a wasteful number, since it uses less digits than its factorization.

556011128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28007 (or 28003 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 556011128 is about 23579.8882100828. Note that the first 3 decimals coincide. The cubic root of 556011128 is about 822.2953377017.

The spelling of 556011128 in words is "five hundred fifty-six million, eleven thousand, one hundred twenty-eight".