5565220554576 has 160 divisors (see below), whose sum is σ = 14965188198400. Its totient is φ = 1780174609920.

The previous prime is 5565220554539. The next prime is 5565220554683. The reversal of 5565220554576 is 6754550225655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428780055 + ... + 428793033.

It is an arithmetic number, because the mean of its divisors is an integer number (93532426240).

Almost surely, 2^{5565220554576} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5565220554576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7482594099200).

5565220554576 is an abundant number, since it is smaller than the sum of its proper divisors (9399967643824).

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

5565220554576 is a wasteful number, since it uses less digits than its factorization.

5565220554576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15417 (or 15411 counting only the distinct ones).

The product of its (nonzero) digits is 63000000, while the sum is 57.

The spelling of 5565220554576 in words is "five trillion, five hundred sixty-five billion, two hundred twenty million, five hundred fifty-four thousand, five hundred seventy-six".