54991096886208 has 336 divisors, whose sum is σ = 174994497254400. Its totient is φ = 15180298076160.

The previous prime is 54991096886203. The next prime is 54991096886233. The reversal of 54991096886208 is 80268869019945.

It is a tau number, because it is divible by the number of its divisors (336).

It is a self number, because there is not a number n which added to its sum of digits gives 54991096886208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54991096886203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180377808 + ... + 180682416.

Almost surely, 2^{54991096886208} 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 54991096886208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87497248627200).

54991096886208 is an abundant number, since it is smaller than the sum of its proper divisors (120003400368192).

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

54991096886208 is a wasteful number, since it uses less digits than its factorization.

54991096886208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305288 (or 305271 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 75.

The spelling of 54991096886208 in words is "fifty-four trillion, nine hundred ninety-one billion, ninety-six million, eight hundred eighty-six thousand, two hundred eight".