54132009 has 16 divisors (see below), whose sum is σ = 75021120. Its totient is φ = 34677440.

The previous prime is 54131981. The next prime is 54132011. The reversal of 54132009 is 90023145.

It is a cyclic number.

It is not a de Polignac number, because 54132009 - 2⁵ = 54131977 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54132009.

It is not an unprimeable number, because it can be changed into a prime (54132059) 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, 18379 + ... + 21119.

It is an arithmetic number, because the mean of its divisors is an integer number (4688820).

Almost surely, 2^54132009 is an apocalyptic number.

It is an amenable number.

54132009 is a deficient number, since it is larger than the sum of its proper divisors (20889111).

54132009 is a wasteful number, since it uses less digits than its factorization.

54132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 54132009 is about 7357.4458203917. The cubic root of 54132009 is about 378.2840660271.

The spelling of 54132009 in words is "fifty-four million, one hundred thirty-two thousand, nine".