52305520 has 20 divisors (see below), whose sum is σ = 121610520. Its totient is φ = 20922176.

The previous prime is 52305511. The next prime is 52305523. The reversal of 52305520 is 2550325.

52305520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 52305491 and 52305500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52305523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326830 + ... + 326989.

It is an arithmetic number, because the mean of its divisors is an integer number (6080526).

Almost surely, 2^52305520 is an apocalyptic number.

It is an amenable number.

52305520 is an abundant number, since it is smaller than the sum of its proper divisors (69305000).

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

52305520 is a wasteful number, since it uses less digits than its factorization.

52305520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653832 (or 653826 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 52305520 is about 7232.2555264592. The cubic root of 52305520 is about 373.9806866594.

Adding to 52305520 its reverse (2550325), we get a palindrome (54855845).

It can be divided in two parts, 52305 and 520, that added together give a palindrome (52825).

The spelling of 52305520 in words is "fifty-two million, three hundred five thousand, five hundred twenty".