54391072320 has 1120 divisors, whose sum is σ = 222063722496. Its totient is φ = 12541132800.

The previous prime is 54391072261. The next prime is 54391072349. The reversal of 54391072320 is 2327019345.

54391072320 is a `hidden beast` number, since 543 + 9 + 10 + 72 + 32 + 0 = 666.

54391072320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 428276097 + ... + 428276223.

Almost surely, 2^54391072320 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 54391072320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111031861248).

54391072320 is an abundant number, since it is smaller than the sum of its proper divisors (167672650176).

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

54391072320 is a wasteful number, since it uses less digits than its factorization.

54391072320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 54391072320 in words is "fifty-four billion, three hundred ninety-one million, seventy-two thousand, three hundred twenty".