52165204 has 72 divisors (see below), whose sum is σ = 116635680. Its totient is φ = 20228544.

The previous prime is 52165199. The next prime is 52165237. The reversal of 52165204 is 40256125.

It is a congruent number.

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, 150159 + ... + 150505.

It is an arithmetic number, because the mean of its divisors is an integer number (1619940).

Almost surely, 2^52165204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52165204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58317840).

52165204 is an abundant number, since it is smaller than the sum of its proper divisors (64470476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52165204 is a wasteful number, since it uses less digits than its factorization.

52165204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52165204 is about 7222.5483037499. The cubic root of 52165204 is about 373.6459707565.

The spelling of 52165204 in words is "fifty-two million, one hundred sixty-five thousand, two hundred four".