54080140 has 48 divisors (see below), whose sum is σ = 116792928. Its totient is φ = 21026304.

The previous prime is 54080129. The next prime is 54080141. The reversal of 54080140 is 4108045.

It is not an unprimeable number, because it can be changed into a prime (54080141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172624 + ... + 172936.

It is an arithmetic number, because the mean of its divisors is an integer number (2433186).

Almost surely, 2^54080140 is an apocalyptic number.

It is an amenable number.

54080140 is an abundant number, since it is smaller than the sum of its proper divisors (62712788).

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

54080140 is a wasteful number, since it uses less digits than its factorization.

54080140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

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

The square root of 54080140 is about 7353.9200430791. The cubic root of 54080140 is about 378.1632041630.

Adding to 54080140 its reverse (4108045), we get a palindrome (58188185).

The spelling of 54080140 in words is "fifty-four million, eighty thousand, one hundred forty".