52715328 has 56 divisors (see below), whose sum is σ = 140012928. Its totient is φ = 17504256.

The previous prime is 52715309. The next prime is 52715339. The reversal of 52715328 is 82351725.

It is a super-2 number, since 2×52715328² = 5557811612295168, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 88600 + ... + 89192.

Almost surely, 2^52715328 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 52715328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70006464).

52715328 is an abundant number, since it is smaller than the sum of its proper divisors (87297600).

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

52715328 is a wasteful number, since it uses less digits than its factorization.

52715328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1061 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 52715328 is about 7260.5322118974. The cubic root of 52715328 is about 374.9548461188.

The spelling of 52715328 in words is "fifty-two million, seven hundred fifteen thousand, three hundred twenty-eight".