52566522053 has 4 divisors (see below), whose sum is σ = 53199853728. Its totient is φ = 51933190380.

The previous prime is 52566521993. The next prime is 52566522067. The reversal of 52566522053 is 35022566525.

It is a happy number.

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 52566522053 - 2¹⁴ = 52566505669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52566522053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52566542053) 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 3 ways as a sum of consecutive naturals, for example, 316665713 + ... + 316665878.

It is an arithmetic number, because the mean of its divisors is an integer number (13299963432).

Almost surely, 2^52566522053 is an apocalyptic number.

It is an amenable number.

52566522053 is a deficient number, since it is larger than the sum of its proper divisors (633331675).

52566522053 is an equidigital number, since it uses as much as digits as its factorization.

52566522053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633331674.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 52566522053 in words is "fifty-two billion, five hundred sixty-six million, five hundred twenty-two thousand, fifty-three".