52505071 has 8 divisors (see below), whose sum is σ = 53132720. Its totient is φ = 51881472.

The previous prime is 52505069. The next prime is 52505077. The reversal of 52505071 is 17050525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52505071 - 2¹ = 52505069 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 (52505077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30625 + ... + 32293.

It is an arithmetic number, because the mean of its divisors is an integer number (6641590).

Almost surely, 2^52505071 is an apocalyptic number.

52505071 is a deficient number, since it is larger than the sum of its proper divisors (627649).

52505071 is a wasteful number, since it uses less digits than its factorization.

52505071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 52505071 is about 7246.0382968902. The cubic root of 52505071 is about 374.4556748686.

Adding to 52505071 its reverse (17050525), we get a palindrome (69555596).

The spelling of 52505071 in words is "fifty-two million, five hundred five thousand, seventy-one".