52805252553 has 4 divisors (see below), whose sum is σ = 70407003408. Its totient is φ = 35203501700.

The previous prime is 52805252537. The next prime is 52805252557. The reversal of 52805252553 is 35525250825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52805252553 - 2⁴ = 52805252537 is a prime.

It is a super-2 number, since 2×52805252553² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52805252557) 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 3 ways as a sum of consecutive naturals, for example, 8800875423 + ... + 8800875428.

It is an arithmetic number, because the mean of its divisors is an integer number (17601750852).

Almost surely, 2^52805252553 is an apocalyptic number.

It is an amenable number.

52805252553 is a deficient number, since it is larger than the sum of its proper divisors (17601750855).

52805252553 is a wasteful number, since it uses less digits than its factorization.

52805252553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17601750854.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 52805252553 in words is "fifty-two billion, eight hundred five million, two hundred fifty-two thousand, five hundred fifty-three".