52509164 has 12 divisors (see below), whose sum is σ = 94855488. Its totient is φ = 25407600.

The previous prime is 52509143. The next prime is 52509181. The reversal of 52509164 is 46190525.

It is a happy number.

52509164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52509164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211607 + ... + 211854.

It is an arithmetic number, because the mean of its divisors is an integer number (7904624).

Almost surely, 2^52509164 is an apocalyptic number.

It is an amenable number.

52509164 is a deficient number, since it is larger than the sum of its proper divisors (42346324).

52509164 is a wasteful number, since it uses less digits than its factorization.

52509164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423496 (or 423494 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 52509164 is about 7246.3207215800. The cubic root of 52509164 is about 374.4654047685.

Adding to 52509164 its reverse (46190525), we get a palindrome (98699689).

The spelling of 52509164 in words is "fifty-two million, five hundred nine thousand, one hundred sixty-four".