52323520 has 56 divisors (see below), whose sum is σ = 125784864. Its totient is φ = 20729856.

The previous prime is 52323499. The next prime is 52323527. The reversal of 52323520 is 2532325.

It is a junction number, because it is equal to n+sod(n) for n = 52323491 and 52323500.

It is not an unprimeable number, because it can be changed into a prime (52323527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35437 + ... + 36883.

Almost surely, 2^52323520 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 52323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62892432).

52323520 is an abundant number, since it is smaller than the sum of its proper divisors (73461344).

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

52323520 is a wasteful number, since it uses less digits than its factorization.

52323520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 52323520 is about 7233.4998444736. The cubic root of 52323520 is about 374.0235813055.

Adding to 52323520 its reverse (2532325), we get a palindrome (54855845).

The spelling of 52323520 in words is "fifty-two million, three hundred twenty-three thousand, five hundred twenty".