54358381728 has 72 divisors (see below), whose sum is σ = 176664747168. Its totient is φ = 15530965632.

The previous prime is 54358381709. The next prime is 54358381729. The reversal of 54358381728 is 82718385345.

54358381728 is a `hidden beast` number, since 5 + 43 + 583 + 8 + 17 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (54358381729) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13479726 + ... + 13483757.

It is an arithmetic number, because the mean of its divisors is an integer number (2453677044).

Almost surely, 2^54358381728 is an apocalyptic number.

It is an amenable number.

54358381728 is an abundant number, since it is smaller than the sum of its proper divisors (122306365440).

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

54358381728 is a wasteful number, since it uses less digits than its factorization.

54358381728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26963506 (or 26963495 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 54358381728 in words is "fifty-four billion, three hundred fifty-eight million, three hundred eighty-one thousand, seven hundred twenty-eight".