54721472 has 56 divisors (see below), whose sum is σ = 118414800. Its totient is φ = 24938496.

The previous prime is 54721441. The next prime is 54721517. The reversal of 54721472 is 27412745.

54721472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73679 + ... + 74417.

It is an arithmetic number, because the mean of its divisors is an integer number (2114550).

Almost surely, 2^54721472 is an apocalyptic number.

54721472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54721472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59207400).

54721472 is an abundant number, since it is smaller than the sum of its proper divisors (63693328).

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

54721472 is a wasteful number, since it uses less digits than its factorization.

54721472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 843 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 54721472 is about 7397.3962986986. The cubic root of 54721472 is about 379.6522025489.

The spelling of 54721472 in words is "fifty-four million, seven hundred twenty-one thousand, four hundred seventy-two".