54008140 has 48 divisors (see below), whose sum is σ = 119351232. Its totient is φ = 20489216.

The previous prime is 54008131. The next prime is 54008159. The reversal of 54008140 is 4180045.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62592 + ... + 63448.

It is an arithmetic number, because the mean of its divisors is an integer number (2486484).

Almost surely, 2^54008140 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 54008140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59675616).

54008140 is an abundant number, since it is smaller than the sum of its proper divisors (65343092).

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

54008140 is a wasteful number, since it uses less digits than its factorization.

54008140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 54008140 is about 7349.0230643263. The cubic root of 54008140 is about 377.9953061575.

Adding to 54008140 its reverse (4180045), we get a palindrome (58188185).

The spelling of 54008140 in words is "fifty-four million, eight thousand, one hundred forty".