556206225252 has 12 divisors (see below), whose sum is σ = 1297814525616. Its totient is φ = 185402075080.

The previous prime is 556206225227. The next prime is 556206225259. The reversal of 556206225252 is 252522602655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (556206225259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23175259374 + ... + 23175259397.

It is an arithmetic number, because the mean of its divisors is an integer number (108151210468).

Almost surely, 2^556206225252 is an apocalyptic number.

It is an amenable number.

556206225252 is an abundant number, since it is smaller than the sum of its proper divisors (741608300364).

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

556206225252 is a wasteful number, since it uses less digits than its factorization.

556206225252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46350518778 (or 46350518776 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 556206225252 in words is "five hundred fifty-six billion, two hundred six million, two hundred twenty-five thousand, two hundred fifty-two".