55616679698 has 16 divisors (see below), whose sum is σ = 88676093304. Its totient is φ = 26070712320.

The previous prime is 55616679697. The next prime is 55616679709. The reversal of 55616679698 is 89697661655.

It can be written as a sum of positive squares in 4 ways, for example, as 49318193929 + 6298485769 = 222077^2 + 79363^2 .

It is not an unprimeable number, because it can be changed into a prime (55616679697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173723 + ... + 3191198.

Almost surely, 2^55616679698 is an apocalyptic number.

55616679698 is a deficient number, since it is larger than the sum of its proper divisors (33059413606).

55616679698 is a wasteful number, since it uses less digits than its factorization.

55616679698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365197.

The product of its digits is 146966400, while the sum is 68.

The spelling of 55616679698 in words is "fifty-five billion, six hundred sixteen million, six hundred seventy-nine thousand, six hundred ninety-eight".