52216169 has 4 divisors (see below), whose sum is σ = 52951680. Its totient is φ = 51480660.

The previous prime is 52216133. The next prime is 52216181. The reversal of 52216169 is 96161225.

It is a happy number.

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 not a de Polignac number, because 52216169 - 2⁸ = 52215913 is a prime.

It is a super-2 number, since 2×52216169² = 5453056610073122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52216069) 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, 367649 + ... + 367790.

It is an arithmetic number, because the mean of its divisors is an integer number (13237920).

Almost surely, 2^52216169 is an apocalyptic number.

It is an amenable number.

52216169 is a deficient number, since it is larger than the sum of its proper divisors (735511).

52216169 is an equidigital number, since it uses as much as digits as its factorization.

52216169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735510.

The product of its digits is 6480, while the sum is 32.

The square root of 52216169 is about 7226.0756292749. The cubic root of 52216169 is about 373.7676142226.

The spelling of 52216169 in words is "fifty-two million, two hundred sixteen thousand, one hundred sixty-nine".