54016840209 has 16 divisors (see below), whose sum is σ = 73261260800. Its totient is φ = 35395912656.

The previous prime is 54016840183. The next prime is 54016840217. The reversal of 54016840209 is 90204861045.

It is not a de Polignac number, because 54016840209 - 2²⁴ = 54000062993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54016840309) 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, 458179 + ... + 563880.

It is an arithmetic number, because the mean of its divisors is an integer number (4578828800).

Almost surely, 2^54016840209 is an apocalyptic number.

It is an amenable number.

54016840209 is a deficient number, since it is larger than the sum of its proper divisors (19244420591).

54016840209 is a wasteful number, since it uses less digits than its factorization.

54016840209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022364.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 54016840209 in words is "fifty-four billion, sixteen million, eight hundred forty thousand, two hundred nine".