54521843712 has 624 divisors, whose sum is σ = 183587438592. Its totient is φ = 14306181120.

The previous prime is 54521843671. The next prime is 54521843723. The reversal of 54521843712 is 21734812545.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429305793 + ... + 429305919.

Almost surely, 2^54521843712 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 54521843712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91793719296).

54521843712 is an abundant number, since it is smaller than the sum of its proper divisors (129065594880).

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

54521843712 is a wasteful number, since it uses less digits than its factorization.

54521843712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 193 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The spelling of 54521843712 in words is "fifty-four billion, five hundred twenty-one million, eight hundred forty-three thousand, seven hundred twelve".