54133140 has 96 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 13651456.

The previous prime is 54133127. The next prime is 54133141. The reversal of 54133140 is 4133145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54133141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91927 + ... + 92513.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^54133140 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 54133140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80015040).

54133140 is an abundant number, since it is smaller than the sum of its proper divisors (105896940).

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

54133140 is a wasteful number, since it uses less digits than its factorization.

54133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 54133140 is about 7357.5226809029. The cubic root of 54133140 is about 378.2867005515.

Adding to 54133140 its reverse (4133145), we get a palindrome (58266285).

The spelling of 54133140 in words is "fifty-four million, one hundred thirty-three thousand, one hundred forty".