54446191072 has 192 divisors, whose sum is σ = 135193411584. Its totient is φ = 21010728960.

The previous prime is 54446191067. The next prime is 54446191073. The reversal of 54446191072 is 27019164445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54446191073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29477253 + ... + 29479099.

It is an arithmetic number, because the mean of its divisors is an integer number (704132352).

Almost surely, 2^54446191072 is an apocalyptic number.

54446191072 is a gapful number since it is divisible by the number (52) 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 54446191072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67596705792).

54446191072 is an abundant number, since it is smaller than the sum of its proper divisors (80747220512).

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

54446191072 is a wasteful number, since it uses less digits than its factorization.

54446191072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 54446191072 in words is "fifty-four billion, four hundred forty-six million, one hundred ninety-one thousand, seventy-two".