52539520 has 128 divisors (see below), whose sum is σ = 145411200. Its totient is φ = 17940480.

The previous prime is 52539517. The next prime is 52539547. The reversal of 52539520 is 2593525.

It is a tau number, because it is divible by the number of its divisors (128).

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, 119461 + ... + 119899.

It is an arithmetic number, because the mean of its divisors is an integer number (1136025).

Almost surely, 2^52539520 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 52539520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72705600).

52539520 is an abundant number, since it is smaller than the sum of its proper divisors (92871680).

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

52539520 is a wasteful number, since it uses less digits than its factorization.

52539520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 52539520 is about 7248.4149991567. The cubic root of 52539520 is about 374.5375514261.

The spelling of 52539520 in words is "fifty-two million, five hundred thirty-nine thousand, five hundred twenty".