52525305223 has 4 divisors (see below), whose sum is σ = 52877824200. Its totient is φ = 52172786248.

The previous prime is 52525305163. The next prime is 52525305233. The reversal of 52525305223 is 32250352525.

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 52525305223 - 2²¹ = 52523208071 is a prime.

It is a super-2 number, since 2×52525305223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525305233) 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, 176259265 + ... + 176259562.

It is an arithmetic number, because the mean of its divisors is an integer number (13219456050).

Almost surely, 2^52525305223 is an apocalyptic number.

52525305223 is a deficient number, since it is larger than the sum of its proper divisors (352518977).

52525305223 is a wasteful number, since it uses less digits than its factorization.

52525305223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352518976.

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 52525305223 its reverse (32250352525), we get a palindrome (84775657748).

The spelling of 52525305223 in words is "fifty-two billion, five hundred twenty-five million, three hundred five thousand, two hundred twenty-three".