5566500001 has 2 divisors, whose sum is σ = 5566500002. Its totient is φ = 5566500000.

The previous prime is 5566499999. The next prime is 5566500011. The reversal of 5566500001 is 1000056655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5409749601 + 156750400 = 73551^2 + 12520^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566500001 - 2¹ = 5566499999 is a prime.

It is a super-2 number, since 2×5566500001² = 61971844522266000002, which contains 22 as substring.

Together with 5566499999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5566500011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783250000 + 2783250001.

It is an arithmetic number, because the mean of its divisors is an integer number (2783250001).

Almost surely, 2^5566500001 is an apocalyptic number.

It is an amenable number.

5566500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566500001 is an equidigital number, since it uses as much as digits as its factorization.

5566500001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5566500001 is about 74608.9806993769. The cubic root of 5566500001 is about 1772.2598732956.

Adding to 5566500001 its reverse (1000056655), we get a palindrome (6566556656).

The spelling of 5566500001 in words is "five billion, five hundred sixty-six million, five hundred thousand, one".