8550563698 has 16 divisors (see below), whose sum is σ = 12950270496. Its totient is φ = 4233993120.

The previous prime is 8550563683. The next prime is 8550563699. The reversal of 8550563698 is 8963650558.

It is a happy number.

It is a super-2 number, since 2×8550563698² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8550563699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45918 + ... + 138598.

It is an arithmetic number, because the mean of its divisors is an integer number (809391906).

Almost surely, 2^8550563698 is an apocalyptic number.

8550563698 is a deficient number, since it is larger than the sum of its proper divisors (4399706798).

8550563698 is a wasteful number, since it uses less digits than its factorization.

8550563698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93129.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The square root of 8550563698 is about 92469.2581239841. The cubic root of 8550563698 is about 2044.8662899208.

The spelling of 8550563698 in words is "eight billion, five hundred fifty million, five hundred sixty-three thousand, six hundred ninety-eight".