52163328 has 144 divisors (see below), whose sum is σ = 164304896. Its totient is φ = 14376960.

The previous prime is 52163323. The next prime is 52163347. The reversal of 52163328 is 82336125.

It is a junction number, because it is equal to n+sod(n) for n = 52163295 and 52163304.

It is not an unprimeable number, because it can be changed into a prime (52163323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166500 + ... + 166812.

Almost surely, 2^52163328 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 52163328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82152448).

52163328 is an abundant number, since it is smaller than the sum of its proper divisors (112141568).

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

52163328 is a wasteful number, since it uses less digits than its factorization.

52163328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 356 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 52163328 is about 7222.4184315228. The cubic root of 52163328 is about 373.6414916006.

The spelling of 52163328 in words is "fifty-two million, one hundred sixty-three thousand, three hundred twenty-eight".