52086330 has 72 divisors (see below), whose sum is σ = 139090068. Its totient is φ = 13523328.

The previous prime is 52086323. The next prime is 52086371. The reversal of 52086330 is 3368025.

52086330 is a `hidden beast` number, since 5 + 20 + 8 + 633 + 0 = 666.

52086330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43283241 + 8803089 = 6579^2 + 2967^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52086294 and 52086303.

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 35 ways as a sum of consecutive naturals, for example, 166254 + ... + 166566.

Almost surely, 2^52086330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52086330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69545034).

52086330 is an abundant number, since it is smaller than the sum of its proper divisors (87003738).

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

52086330 is a wasteful number, since it uses less digits than its factorization.

52086330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 366 counting only the distinct ones).

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

The square root of 52086330 is about 7217.0859770409. The cubic root of 52086330 is about 373.4575576897.

The spelling of 52086330 in words is "fifty-two million, eighty-six thousand, three hundred thirty".