55117895040000 has 3300 divisors, whose sum is σ = 236123383661704. Its totient is φ = 12724273152000.

The previous prime is 55117895039959. The next prime is 55117895040001. The reversal of 55117895040000 is 4059871155.

55117895040000 is a `hidden beast` number, since 5 + 5 + 117 + 89 + 50 + 400 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55117895040001) 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 299 ways as a sum of consecutive naturals, for example, 194762879859 + ... + 194762880141.

Almost surely, 2^{55117895040000} is an apocalyptic number.

55117895040000 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 55117895040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118061691830852).

55117895040000 is an abundant number, since it is smaller than the sum of its proper divisors (181005488621704).

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

55117895040000 is a wasteful number, since it uses less digits than its factorization.

55117895040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 55117895040000 in words is "fifty-five trillion, one hundred seventeen billion, eight hundred ninety-five million, forty thousand".