5551556001717 has 16 divisors (see below), whose sum is σ = 8116829886528. Its totient is φ = 3347146337280.

The previous prime is 5551556001689. The next prime is 5551556001779. The reversal of 5551556001717 is 7171006551555.

It is a happy number.

It is not a de Polignac number, because 5551556001717 - 2¹⁰ = 5551556000693 is a prime.

It is a super-3 number, since 3×5551556001717³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551556001217) 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 15 ways as a sum of consecutive naturals, for example, 435819978 + ... + 435832715.

It is an arithmetic number, because the mean of its divisors is an integer number (507301867908).

Almost surely, 2^{5551556001717} is an apocalyptic number.

It is an amenable number.

5551556001717 is a deficient number, since it is larger than the sum of its proper divisors (2565273884811).

5551556001717 is a wasteful number, since it uses less digits than its factorization.

5551556001717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871652900.

The product of its (nonzero) digits is 918750, while the sum is 48.

The spelling of 5551556001717 in words is "five trillion, five hundred fifty-one billion, five hundred fifty-six million, one thousand, seven hundred seventeen".