52257736463 has 4 divisors (see below), whose sum is σ = 52476388320. Its totient is φ = 52039084608.

The previous prime is 52257736411. The next prime is 52257736541. The reversal of 52257736463 is 36463775225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52257736463 - 2²⁰ = 52256687887 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 (52257736763) 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, 109325570 + ... + 109326047.

It is an arithmetic number, because the mean of its divisors is an integer number (13119097080).

Almost surely, 2^52257736463 is an apocalyptic number.

52257736463 is a deficient number, since it is larger than the sum of its proper divisors (218651857).

52257736463 is a wasteful number, since it uses less digits than its factorization.

52257736463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218651856.

The product of its digits is 6350400, while the sum is 50.

The spelling of 52257736463 in words is "fifty-two billion, two hundred fifty-seven million, seven hundred thirty-six thousand, four hundred sixty-three".