52521164 has 36 divisors (see below), whose sum is σ = 96391512. Its totient is φ = 25032960.

The previous prime is 52521163. The next prime is 52521169. The reversal of 52521164 is 46112525.

It is not an unprimeable number, because it can be changed into a prime (52521163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490799 + ... + 490905.

It is an arithmetic number, because the mean of its divisors is an integer number (2677542).

Almost surely, 2^52521164 is an apocalyptic number.

It is an amenable number.

52521164 is a deficient number, since it is larger than the sum of its proper divisors (43870348).

52521164 is a wasteful number, since it uses less digits than its factorization.

52521164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 223 counting only the distinct ones).

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

The square root of 52521164 is about 7247.1486806882. The cubic root of 52521164 is about 374.4939283140.

Adding to 52521164 its reverse (46112525), we get a palindrome (98633689).

The spelling of 52521164 in words is "fifty-two million, five hundred twenty-one thousand, one hundred sixty-four".