54131140 has 24 divisors (see below), whose sum is σ = 129915072. Its totient is φ = 18559200.

The previous prime is 54131131. The next prime is 54131153. The reversal of 54131140 is 4113145.

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, 193186 + ... + 193465.

It is an arithmetic number, because the mean of its divisors is an integer number (5413128).

Almost surely, 2^54131140 is an apocalyptic number.

It is an amenable number.

54131140 is an abundant number, since it is smaller than the sum of its proper divisors (75783932).

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

54131140 is a wasteful number, since it uses less digits than its factorization.

54131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386667 (or 386665 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 54131140 is about 7357.3867643342. The cubic root of 54131140 is about 378.2820417743.

Adding to 54131140 its reverse (4113145), we get a palindrome (58244285).

The spelling of 54131140 in words is "fifty-four million, one hundred thirty-one thousand, one hundred forty".