52128360 has 192 divisors, whose sum is σ = 182407680. Its totient is φ = 13374720.

The previous prime is 52128347. The next prime is 52128361. The reversal of 52128360 is 6382125.

52128360 is a `hidden beast` number, since 521 + 2 + 83 + 60 = 666.

52128360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52128361) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 301234 + ... + 301406.

It is an arithmetic number, because the mean of its divisors is an integer number (950040).

Almost surely, 2^52128360 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 52128360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91203840).

52128360 is an abundant number, since it is smaller than the sum of its proper divisors (130279320).

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

52128360 is a wasteful number, since it uses less digits than its factorization.

52128360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52128360 is about 7219.9972299164. The cubic root of 52128360 is about 373.5579819986.

The spelling of 52128360 in words is "fifty-two million, one hundred twenty-eight thousand, three hundred sixty".