5500055386681 has 4 divisors (see below), whose sum is σ = 5789531986000. Its totient is φ = 5210578787364.

The previous prime is 5500055386621. The next prime is 5500055386697. The reversal of 5500055386681 is 1866835500055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5500055386681 is a prime.

It is a super-3 number, since 3×5500055386681³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5500055386621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144738299631 + ... + 144738299668.

It is an arithmetic number, because the mean of its divisors is an integer number (1447382996500).

Almost surely, 2^{5500055386681} is an apocalyptic number.

It is an amenable number.

5500055386681 is a deficient number, since it is larger than the sum of its proper divisors (289476599319).

5500055386681 is a wasteful number, since it uses less digits than its factorization.

5500055386681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289476599318.

The product of its (nonzero) digits is 4320000, while the sum is 52.

The spelling of 5500055386681 in words is "five trillion, five hundred billion, fifty-five million, three hundred eighty-six thousand, six hundred eighty-one".