54471728 has 20 divisors (see below), whose sum is σ = 110128368. Its totient is φ = 26051520.

The previous prime is 54471721. The next prime is 54471749. The reversal of 54471728 is 82717445.

54471728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 54471691 and 54471700.

It is not an unprimeable number, because it can be changed into a prime (54471721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73643 + ... + 74378.

Almost surely, 2^54471728 is an apocalyptic number.

It is an amenable number.

54471728 is an abundant number, since it is smaller than the sum of its proper divisors (55656640).

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

54471728 is a wasteful number, since it uses less digits than its factorization.

54471728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148052 (or 148046 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 54471728 is about 7380.4964602661. The cubic root of 54471728 is about 379.0737552057.

The spelling of 54471728 in words is "fifty-four million, four hundred seventy-one thousand, seven hundred twenty-eight".