52004320 has 24 divisors (see below), whose sum is σ = 122860584. Its totient is φ = 20801664.

The previous prime is 52004299. The next prime is 52004347. The reversal of 52004320 is 2340025.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 52004294 and 52004303.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 162354 + ... + 162673.

It is an arithmetic number, because the mean of its divisors is an integer number (5119191).

Almost surely, 2^52004320 is an apocalyptic number.

It is an amenable number.

52004320 is an abundant number, since it is smaller than the sum of its proper divisors (70856264).

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

52004320 is a wasteful number, since it uses less digits than its factorization.

52004320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325042 (or 325034 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 52004320 is about 7211.4020828130. The cubic root of 52004320 is about 373.2614515802.

Adding to 52004320 its reverse (2340025), we get a palindrome (54344345).

The spelling of 52004320 in words is "fifty-two million, four thousand, three hundred twenty".