54391686720 has 224 divisors, whose sum is σ = 201089288448. Its totient is φ = 12197732352.

The previous prime is 54391686691. The next prime is 54391686733. The reversal of 54391686720 is 2768619345.

54391686720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279802 + ... + 432518.

It is a 1-persistent number, because it is pandigital, but 2⋅54391686720 = 108783373440 is not.

Almost surely, 2^54391686720 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 54391686720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100544644224).

54391686720 is an abundant number, since it is smaller than the sum of its proper divisors (146697601728).

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

54391686720 is a wasteful number, since it uses less digits than its factorization.

54391686720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152797 (or 152787 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 54391686720 in words is "fifty-four billion, three hundred ninety-one million, six hundred eighty-six thousand, seven hundred twenty".