52215164 has 6 divisors (see below), whose sum is σ = 91376544. Its totient is φ = 26107580.

The previous prime is 52215157. The next prime is 52215169. The reversal of 52215164 is 46151225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6526892 + ... + 6526899.

It is an arithmetic number, because the mean of its divisors is an integer number (15229424).

Almost surely, 2^52215164 is an apocalyptic number.

It is an amenable number.

52215164 is a deficient number, since it is larger than the sum of its proper divisors (39161380).

52215164 is a wasteful number, since it uses less digits than its factorization.

52215164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053795 (or 13053793 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 52215164 is about 7226.0060891200. The cubic root of 52215164 is about 373.7652162498.

Adding to 52215164 its reverse (46151225), we get a palindrome (98366389).

The spelling of 52215164 in words is "fifty-two million, two hundred fifteen thousand, one hundred sixty-four".