5500000005551 has 4 divisors (see below), whose sum is σ = 5501052239592. Its totient is φ = 5498947771512.

The previous prime is 5500000005541. The next prime is 5500000005569. The reversal of 5500000005551 is 1555000000055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5500000005551 is a prime.

It is a super-2 number, since 2×5500000005551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5500000005551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500000005541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526109180 + ... + 526119633.

It is an arithmetic number, because the mean of its divisors is an integer number (1375263059898).

Almost surely, 2^{5500000005551} is an apocalyptic number.

5500000005551 is a deficient number, since it is larger than the sum of its proper divisors (1052234041).

5500000005551 is a wasteful number, since it uses less digits than its factorization.

5500000005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052234040.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 5500000005551 in words is "five trillion, five hundred billion, five thousand, five hundred fifty-one".