54089728 has 120 divisors (see below), whose sum is σ = 137641140. Its totient is φ = 21073920.

The previous prime is 54089663. The next prime is 54089731. The reversal of 54089728 is 82798045.

It is a super-2 number, since 2×54089728² = 5851397350227968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4917243 + ... + 4917253.

Almost surely, 2^54089728 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 54089728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68820570).

54089728 is an abundant number, since it is smaller than the sum of its proper divisors (83551412).

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

54089728 is an frugal number, since it uses more digits than its factorization.

54089728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 54089728 is about 7354.5719114031. The cubic root of 54089728 is about 378.1855513349.

The spelling of 54089728 in words is "fifty-four million, eighty-nine thousand, seven hundred twenty-eight".