556105056 has 48 divisors (see below), whose sum is σ = 1572069744. Its totient is φ = 171108864.

The previous prime is 556105051. The next prime is 556105093. The reversal of 556105056 is 650501655.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556105051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221551 + ... + 224046.

It is an arithmetic number, because the mean of its divisors is an integer number (32751453).

Almost surely, 2^556105056 is an apocalyptic number.

It is an amenable number.

556105056 is an abundant number, since it is smaller than the sum of its proper divisors (1015964688).

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

556105056 is a wasteful number, since it uses less digits than its factorization.

556105056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445623 (or 445615 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 556105056 is about 23581.8798232880. The cubic root of 556105056 is about 822.3416390578.

The spelling of 556105056 in words is "five hundred fifty-six million, one hundred five thousand, fifty-six".