52540011809 has 8 divisors (see below), whose sum is σ = 53405183040. Its totient is φ = 51674965200.

The previous prime is 52540011773. The next prime is 52540011817. The reversal of 52540011809 is 90811004525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540011809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52540011859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245554 + ... + 1287044.

It is an arithmetic number, because the mean of its divisors is an integer number (6675647880).

Almost surely, 2^52540011809 is an apocalyptic number.

It is an amenable number.

52540011809 is a deficient number, since it is larger than the sum of its proper divisors (865171231).

52540011809 is a wasteful number, since it uses less digits than its factorization.

52540011809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62311.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 52540011809 in words is "fifty-two billion, five hundred forty million, eleven thousand, eight hundred nine".