52433520 has 80 divisors (see below), whose sum is σ = 163516320. Its totient is φ = 13898752.

The previous prime is 52433519. The next prime is 52433533. The reversal of 52433520 is 2533425.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 46726 + ... + 47834.

It is an arithmetic number, because the mean of its divisors is an integer number (2043954).

Almost surely, 2^52433520 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 52433520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81758160).

52433520 is an abundant number, since it is smaller than the sum of its proper divisors (111082800).

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

52433520 is a wasteful number, since it uses less digits than its factorization.

52433520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 52433520 is about 7241.0993640469. The cubic root of 52433520 is about 374.2855017328.

Adding to 52433520 its reverse (2533425), we get a palindrome (54966945).

The spelling of 52433520 in words is "fifty-two million, four hundred thirty-three thousand, five hundred twenty".