52335205521 has 8 divisors (see below), whose sum is σ = 69942178944. Its totient is φ = 34809184560.

The previous prime is 52335205487. The next prime is 52335205561. The reversal of 52335205521 is 12550253325.

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

It is not a de Polignac number, because 52335205521 - 2¹⁵ = 52335172753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52335205561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20236606 + ... + 20239191.

It is an arithmetic number, because the mean of its divisors is an integer number (8742772368).

Almost surely, 2^52335205521 is an apocalyptic number.

It is an amenable number.

52335205521 is a deficient number, since it is larger than the sum of its proper divisors (17606973423).

52335205521 is a wasteful number, since it uses less digits than its factorization.

52335205521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40476231.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 52335205521 its reverse (12550253325), we get a palindrome (64885458846).

The spelling of 52335205521 in words is "fifty-two billion, three hundred thirty-five million, two hundred five thousand, five hundred twenty-one".