52444520 has 32 divisors (see below), whose sum is σ = 120748320. Its totient is φ = 20489280.

The previous prime is 52444519. The next prime is 52444537. The reversal of 52444520 is 2544425.

It is a self number, because there is not a number n which added to its sum of digits gives 52444520.

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 7 ways as a sum of consecutive naturals, for example, 13526 + ... + 16965.

It is an arithmetic number, because the mean of its divisors is an integer number (3773385).

Almost surely, 2^52444520 is an apocalyptic number.

It is an amenable number.

52444520 is an abundant number, since it is smaller than the sum of its proper divisors (68303800).

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

52444520 is a wasteful number, since it uses less digits than its factorization.

52444520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30545 (or 30541 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 52444520 is about 7241.8588773878. The cubic root of 52444520 is about 374.3116736208.

Adding to 52444520 its reverse (2544425), we get a palindrome (54988945).

The spelling of 52444520 in words is "fifty-two million, four hundred forty-four thousand, five hundred twenty".