52517257171 has 4 divisors (see below), whose sum is σ = 52537205592. Its totient is φ = 52497308752.

The previous prime is 52517257057. The next prime is 52517257181. The reversal of 52517257171 is 17175271525.

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 52517257171 - 2²³ = 52508868563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52517257181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9970261 + ... + 9975526.

It is an arithmetic number, because the mean of its divisors is an integer number (13134301398).

Almost surely, 2^52517257171 is an apocalyptic number.

52517257171 is a deficient number, since it is larger than the sum of its proper divisors (19948421).

52517257171 is a wasteful number, since it uses less digits than its factorization.

52517257171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948420.

The product of its digits is 171500, while the sum is 43.

The spelling of 52517257171 in words is "fifty-two billion, five hundred seventeen million, two hundred fifty-seven thousand, one hundred seventy-one".