54332140 has 24 divisors (see below), whose sum is σ = 115148880. Its totient is φ = 21532608.

The previous prime is 54332129. The next prime is 54332183. The reversal of 54332140 is 4123345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10282 + ... + 14641.

It is an arithmetic number, because the mean of its divisors is an integer number (4797870).

Almost surely, 2^54332140 is an apocalyptic number.

It is an amenable number.

54332140 is an abundant number, since it is smaller than the sum of its proper divisors (60816740).

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

54332140 is a wasteful number, since it uses less digits than its factorization.

54332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25041 (or 25039 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 54332140 is about 7371.0338487895. The cubic root of 54332140 is about 378.7496763205.

Adding to 54332140 its reverse (4123345), we get a palindrome (58455485).

The spelling of 54332140 in words is "fifty-four million, three hundred thirty-two thousand, one hundred forty".