54248391728 has 40 divisors (see below), whose sum is σ = 110734839600. Its totient is φ = 25674153984.

The previous prime is 54248391683. The next prime is 54248391749. The reversal of 54248391728 is 82719384245.

It is a self number, because there is not a number n which added to its sum of digits gives 54248391728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273128 + ... + 427896.

It is an arithmetic number, because the mean of its divisors is an integer number (2768370990).

Almost surely, 2^54248391728 is an apocalyptic number.

It is an amenable number.

54248391728 is an abundant number, since it is smaller than the sum of its proper divisors (56486447872).

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

54248391728 is a wasteful number, since it uses less digits than its factorization.

54248391728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155949 (or 155943 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 54248391728 in words is "fifty-four billion, two hundred forty-eight million, three hundred ninety-one thousand, seven hundred twenty-eight".