52307528 has 48 divisors (see below), whose sum is σ = 121394880. Its totient is φ = 20689344.

The previous prime is 52307501. The next prime is 52307537. The reversal of 52307528 is 82570325.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52307494 and 52307503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6701 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (2529060).

Almost surely, 2^52307528 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 52307528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60697440).

52307528 is an abundant number, since it is smaller than the sum of its proper divisors (69087352).

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

52307528 is a wasteful number, since it uses less digits than its factorization.

52307528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 52307528 is about 7232.3943476556. The cubic root of 52307528 is about 373.9854722831.

The spelling of 52307528 in words is "fifty-two million, three hundred seven thousand, five hundred twenty-eight".