5565122100 has 54 divisors (see below), whose sum is σ = 17443568870. Its totient is φ = 1484032320.

The previous prime is 5565122099. The next prime is 5565122107. The reversal of 5565122100 is 12215655.

5565122100 is a `hidden beast` number, since 5 + 5 + 651 + 2 + 2 + 1 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 519292944 + 5045829156 = 22788^2 + 71034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565122107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3090835 + ... + 3092634.

Almost surely, 2^5565122100 is an apocalyptic number.

5565122100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5565122100 is an abundant number, since it is smaller than the sum of its proper divisors (11878446770).

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

5565122100 is a wasteful number, since it uses less digits than its factorization.

5565122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183489 (or 6183479 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5565122100 is about 74599.7459781198. The cubic root of 5565122100 is about 1772.1136293858.

Adding to 5565122100 its reverse (12215655), we get a palindrome (5577337755).

The spelling of 5565122100 in words is "five billion, five hundred sixty-five million, one hundred twenty-two thousand, one hundred".