5565506620 has 24 divisors (see below), whose sum is σ = 11707298064. Its totient is φ = 2222443776.

The previous prime is 5565506603. The next prime is 5565506633. The reversal of 5565506620 is 266055655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222774 + ... + 246493.

It is an arithmetic number, because the mean of its divisors is an integer number (487804086).

Almost surely, 2^5565506620 is an apocalyptic number.

It is an amenable number.

5565506620 is an abundant number, since it is smaller than the sum of its proper divisors (6141791444).

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

5565506620 is a wasteful number, since it uses less digits than its factorization.

5565506620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469869 (or 469867 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 5565506620 is about 74602.3231541753. The cubic root of 5565506620 is about 1772.1544429521.

The spelling of 5565506620 in words is "five billion, five hundred sixty-five million, five hundred six thousand, six hundred twenty".