54289838809 has 4 divisors (see below), whose sum is σ = 54309590500. Its totient is φ = 54270087120.

The previous prime is 54289838783. The next prime is 54289838819. The reversal of 54289838809 is 90883898245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19544878809 + 34744960000 = 139803^2 + 186400^2 .

It is a cyclic number.

It is not a de Polignac number, because 54289838809 - 2¹⁵ = 54289806041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54289838819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9871722 + ... + 9877219.

It is an arithmetic number, because the mean of its divisors is an integer number (13577397625).

Almost surely, 2^54289838809 is an apocalyptic number.

It is an amenable number.

54289838809 is a deficient number, since it is larger than the sum of its proper divisors (19751691).

54289838809 is a wasteful number, since it uses less digits than its factorization.

54289838809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19751690.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 54289838809 in words is "fifty-four billion, two hundred eighty-nine million, eight hundred thirty-eight thousand, eight hundred nine".