556221358088 has 36 divisors (see below), whose sum is σ = 1146392461935. Its totient is φ = 252817342800.

The previous prime is 556221358031. The next prime is 556221358127. The reversal of 556221358088 is 880853122655.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 278110679044 + 278110679044 = 527362^2 + 527362^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=527362.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23191943 + ... + 23215913.

Almost surely, 2^556221358088 is an apocalyptic number.

It is an amenable number.

556221358088 is an abundant number, since it is smaller than the sum of its proper divisors (590171103847).

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

556221358088 is an frugal number, since it uses more digits than its factorization.

556221358088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47970 (or 23984 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 556221358088 in words is "five hundred fifty-six billion, two hundred twenty-one million, three hundred fifty-eight thousand, eighty-eight".