52164385 has 24 divisors (see below), whose sum is σ = 77474880. Its totient is φ = 33014592.

The previous prime is 52164377. The next prime is 52164403. The reversal of 52164385 is 58346125.

It is not a de Polignac number, because 52164385 - 2³ = 52164377 is a prime.

It is a super-2 number, since 2×52164385² = 5442246124856450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52164385.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (3228120).

Almost surely, 2^52164385 is an apocalyptic number.

It is an amenable number.

52164385 is a deficient number, since it is larger than the sum of its proper divisors (25310495).

52164385 is a wasteful number, since it uses less digits than its factorization.

52164385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8857 (or 8844 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 52164385 is about 7222.4916060872. The cubic root of 52164385 is about 373.6440153173.

The spelling of 52164385 in words is "fifty-two million, one hundred sixty-four thousand, three hundred eighty-five".