52721005799 has 8 divisors (see below), whose sum is σ = 65730085248. Its totient is φ = 41081303160.

The previous prime is 52721005787. The next prime is 52721005837. The reversal of 52721005799 is 99750012725.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52721005799 - 2⁴ = 52721005783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52721008799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342344117 + ... + 342344270.

It is an arithmetic number, because the mean of its divisors is an integer number (8216260656).

Almost surely, 2^52721005799 is an apocalyptic number.

52721005799 is a deficient number, since it is larger than the sum of its proper divisors (13009079449).

52721005799 is a wasteful number, since it uses less digits than its factorization.

52721005799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684688405.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 52721005799 in words is "fifty-two billion, seven hundred twenty-one million, five thousand, seven hundred ninety-nine".