55885667488560 has 480 divisors, whose sum is σ = 231037426908288. Its totient is φ = 11789049692160.

The previous prime is 55885667488523. The next prime is 55885667488579. The reversal of 55885667488560 is 6588476658855.

55885667488560 is a `hidden beast` number, since 5 + 5 + 8 + 8 + 5 + 6 + 6 + 7 + 48 + 8 + 560 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55885667488560.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361658674 + ... + 361813166.

Almost surely, 2^{55885667488560} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55885667488560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115518713454144).

55885667488560 is an abundant number, since it is smaller than the sum of its proper divisors (175151759419728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55885667488560 is a wasteful number, since it uses less digits than its factorization.

55885667488560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160053 (or 160044 counting only the distinct ones).

The product of its (nonzero) digits is 15482880000, while the sum is 81.

The spelling of 55885667488560 in words is "fifty-five trillion, eight hundred eighty-five billion, six hundred sixty-seven million, four hundred eighty-eight thousand, five hundred sixty".