55217499068160 has 5760 divisors, whose sum is σ = 261923286417408. Its totient is φ = 10892869632000.

The previous prime is 55217499068159. The next prime is 55217499068269. The reversal of 55217499068160 is 6186099471255.

55217499068160 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 7 + 499 + 0 + 6 + 81 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 289096853665 + ... + 289096853855.

Almost surely, 2^{55217499068160} 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 55217499068160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130961643208704).

55217499068160 is an abundant number, since it is smaller than the sum of its proper divisors (206705787349248).

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

55217499068160 is a wasteful number, since it uses less digits than its factorization.

55217499068160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 55217499068160 in words is "fifty-five trillion, two hundred seventeen billion, four hundred ninety-nine million, sixty-eight thousand, one hundred sixty".