52528840 has 64 divisors (see below), whose sum is σ = 145474560. Its totient is φ = 16623360.

The previous prime is 52528811. The next prime is 52528873. The reversal of 52528840 is 4882525.

It is a junction number, because it is equal to n+sod(n) for n = 52528796 and 52528805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576 + ... + 10855.

It is an arithmetic number, because the mean of its divisors is an integer number (2273040).

Almost surely, 2^52528840 is an apocalyptic number.

It is an amenable number.

52528840 is an abundant number, since it is smaller than the sum of its proper divisors (92945720).

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

52528840 is a wasteful number, since it uses less digits than its factorization.

52528840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14462 (or 14458 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 52528840 is about 7247.6782489291. The cubic root of 52528840 is about 374.5121715970.

The spelling of 52528840 in words is "fifty-two million, five hundred twenty-eight thousand, eight hundred forty".