52438528 has 80 divisors (see below), whose sum is σ = 112644576. Its totient is φ = 24330240.

The previous prime is 52438513. The next prime is 52438559. The reversal of 52438528 is 82583425.

It is a super-3 number, since 3×52438528³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718300 + ... + 718372.

Almost surely, 2^52438528 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 52438528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56322288).

52438528 is an abundant number, since it is smaller than the sum of its proper divisors (60206048).

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

52438528 is an equidigital number, since it uses as much as digits as its factorization.

52438528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 159 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 52438528 is about 7241.4451596349. The cubic root of 52438528 is about 374.2974175334.

The spelling of 52438528 in words is "fifty-two million, four hundred thirty-eight thousand, five hundred twenty-eight".