5220566556 has 24 divisors (see below), whose sum is σ = 12185418000. Its totient is φ = 1739603712.

The previous prime is 5220566551. The next prime is 5220566581. The reversal of 5220566556 is 6556650225.

It is a super-2 number, since 2×5220566556² = 54508630331251402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220566551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35181 + ... + 108068.

It is an arithmetic number, because the mean of its divisors is an integer number (507725750).

Almost surely, 2^5220566556 is an apocalyptic number.

It is an amenable number.

5220566556 is an abundant number, since it is smaller than the sum of its proper divisors (6964851444).

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

5220566556 is a wasteful number, since it uses less digits than its factorization.

5220566556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146293 (or 146291 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 5220566556 is about 72253.4881926125. The cubic root of 5220566556 is about 1734.7592515879.

The spelling of 5220566556 in words is "five billion, two hundred twenty million, five hundred sixty-six thousand, five hundred fifty-six".