555580555549 has 12 divisors (see below), whose sum is σ = 587387760960. Its totient is φ = 525417493320.

The previous prime is 555580555531. The next prime is 555580555571. The reversal of 555580555549 is 945555085555.

It is not a de Polignac number, because 555580555549 - 2⁷ = 555580555421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555580555349) 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 11 ways as a sum of consecutive naturals, for example, 1141509 + ... + 1553770.

It is an arithmetic number, because the mean of its divisors is an integer number (48948980080).

Almost surely, 2^555580555549 is an apocalyptic number.

It is an amenable number.

555580555549 is a deficient number, since it is larger than the sum of its proper divisors (31807205411).

555580555549 is a wasteful number, since it uses less digits than its factorization.

555580555549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695888 (or 2695869 counting only the distinct ones).

The product of its (nonzero) digits is 112500000, while the sum is 61.

The spelling of 555580555549 in words is "five hundred fifty-five billion, five hundred eighty million, five hundred fifty-five thousand, five hundred forty-nine".