52345265653 has 4 divisors (see below), whose sum is σ = 52360927168. Its totient is φ = 52329604140.

The previous prime is 52345265629. The next prime is 52345265681. The reversal of 52345265653 is 35656254325.

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 a de Polignac number, because none of the positive numbers 2^k-52345265653 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 (52345265053) 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, 7825743 + ... + 7832428.

It is an arithmetic number, because the mean of its divisors is an integer number (13090231792).

Almost surely, 2^52345265653 is an apocalyptic number.

It is an amenable number.

52345265653 is a deficient number, since it is larger than the sum of its proper divisors (15661515).

52345265653 is a wasteful number, since it uses less digits than its factorization.

52345265653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15661514.

The product of its digits is 3240000, while the sum is 46.

The spelling of 52345265653 in words is "fifty-two billion, three hundred forty-five million, two hundred sixty-five thousand, six hundred fifty-three".