5558881321984 has 33 divisors (see below), whose sum is σ = 11112484871887. Its totient is φ = 2779402937344.

The previous prime is 5558881321949. The next prime is 5558881322053. The reversal of 5558881321984 is 4891231888555.

The square root of 5558881321984 is 2357728.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75410457 + ... + 75484135.

Almost surely, 2^{5558881321984} is an apocalyptic number.

5558881321984 is the 2357728-th square number.

It is an amenable number.

5558881321984 is a deficient number, since it is larger than the sum of its proper divisors (5553603549903).

5558881321984 is an frugal number, since it uses more digits than its factorization.

5558881321984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147378 (or 73681 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 67.

The spelling of 5558881321984 in words is "five trillion, five hundred fifty-eight billion, eight hundred eighty-one million, three hundred twenty-one thousand, nine hundred eighty-four".