54140720 has 40 divisors (see below), whose sum is σ = 126606480. Its totient is φ = 21530880.

The previous prime is 54140717. The next prime is 54140729. The reversal of 54140720 is 2704145.

54140720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (54140729) 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 7 ways as a sum of consecutive naturals, for example, 12611 + ... + 16349.

It is an arithmetic number, because the mean of its divisors is an integer number (3165162).

Almost surely, 2^54140720 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 54140720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63303240).

54140720 is an abundant number, since it is smaller than the sum of its proper divisors (72465760).

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

54140720 is a wasteful number, since it uses less digits than its factorization.

54140720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 54140720 is about 7358.0377819090. The cubic root of 54140720 is about 378.3043562757.

Adding to 54140720 its reverse (2704145), we get a palindrome (56844865).

The spelling of 54140720 in words is "fifty-four million, one hundred forty thousand, seven hundred twenty".