54844066669656 has 192 divisors, whose sum is σ = 151625579616000. Its totient is φ = 16518458894080.

The previous prime is 54844066669643. The next prime is 54844066669673. The reversal of 54844066669656 is 65696666044845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394796146 + ... + 394935038.

It is an arithmetic number, because the mean of its divisors is an integer number (789716560500).

Almost surely, 2^{54844066669656} 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 54844066669656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75812789808000).

54844066669656 is an abundant number, since it is smaller than the sum of its proper divisors (96781512946344).

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

54844066669656 is a wasteful number, since it uses less digits than its factorization.

54844066669656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139750 (or 139735 counting only the distinct ones).

The product of its (nonzero) digits is 5374771200, while the sum is 75.

The spelling of 54844066669656 in words is "fifty-four trillion, eight hundred forty-four billion, sixty-six million, six hundred sixty-nine thousand, six hundred fifty-six".