52000520 has 64 divisors (see below), whose sum is σ = 137471040. Its totient is φ = 17452800.

The previous prime is 52000519. The next prime is 52000523. The reversal of 52000520 is 2500025.

It is a junction number, because it is equal to n+sod(n) for n = 52000495 and 52000504.

It is not an unprimeable number, because it can be changed into a prime (52000523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (2147985).

Almost surely, 2^52000520 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 52000520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68735520).

52000520 is an abundant number, since it is smaller than the sum of its proper divisors (85470520).

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

52000520 is a wasteful number, since it uses less digits than its factorization.

52000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126 (or 9122 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 52000520 is about 7211.1386063506. The cubic root of 52000520 is about 373.2523598480.

Adding to 52000520 its reverse (2500025), we get a palindrome (54500545).

It can be divided in two parts, 520005 and 20, that added together give a palindrome (520025).

The spelling of 52000520 in words is "fifty-two million, five hundred twenty", and thus it is an aban number.