52806330 has 96 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 13608000.

The previous prime is 52806323. The next prime is 52806353. The reversal of 52806330 is 3360825.

52806330 is a `hidden beast` number, since 5 + 28 + 0 + 633 + 0 = 666.

52806330 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 a junction number, because it is equal to n+sod(n) for n = 52806294 and 52806303.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 74980 + ... + 75680.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^52806330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52806330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73592064).

52806330 is an abundant number, since it is smaller than the sum of its proper divisors (94377798).

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

52806330 is a wasteful number, since it uses less digits than its factorization.

52806330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52806330 is about 7266.7964055697. The cubic root of 52806330 is about 375.1704824835.

The spelling of 52806330 in words is "fifty-two million, eight hundred six thousand, three hundred thirty".