55558863360000 has 6240 divisors, whose sum is σ = 282065087279360. Its totient is φ = 10510663680000.

The previous prime is 55558863359941. The next prime is 55558863360019. The reversal of 55558863360000 is 6336885555.

55558863360000 is a `hidden beast` number, since 5 + 5 + 558 + 86 + 3 + 3 + 6 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (6240).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 761080319964 + ... + 761080320036.

Almost surely, 2^{55558863360000} is an apocalyptic number.

55558863360000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55558863360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141032543639680).

55558863360000 is an abundant number, since it is smaller than the sum of its proper divisors (226506223919360).

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

55558863360000 is a wasteful number, since it uses less digits than its factorization.

55558863360000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 55558863360000 in words is "fifty-five trillion, five hundred fifty-eight billion, eight hundred sixty-three million, three hundred sixty thousand".