52581322 has 16 divisors (see below), whose sum is σ = 84196800. Its totient is φ = 24554880.

The previous prime is 52581313. The next prime is 52581349. The reversal of 52581322 is 22318525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7047 + ... + 12442.

It is an arithmetic number, because the mean of its divisors is an integer number (5262300).

Almost surely, 2^52581322 is an apocalyptic number.

52581322 is a deficient number, since it is larger than the sum of its proper divisors (31615478).

52581322 is a wasteful number, since it uses less digits than its factorization.

52581322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19581.

The product of its digits is 4800, while the sum is 28.

The square root of 52581322 is about 7251.2979527806. The cubic root of 52581322 is about 374.6368561547.

Adding to 52581322 its reverse (22318525), we get a palindrome (74899847).

The spelling of 52581322 in words is "fifty-two million, five hundred eighty-one thousand, three hundred twenty-two".