52331522 has 4 divisors (see below), whose sum is σ = 78497286. Its totient is φ = 26165760.

The previous prime is 52331497. The next prime is 52331549. The reversal of 52331522 is 22513325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47183161 + 5148361 = 6869^2 + 2269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13082879 + ... + 13082882.

Almost surely, 2^52331522 is an apocalyptic number.

52331522 is a deficient number, since it is larger than the sum of its proper divisors (26165764).

52331522 is a wasteful number, since it uses less digits than its factorization.

52331522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26165763.

The product of its digits is 1800, while the sum is 23.

The square root of 52331522 is about 7234.0529442353. The cubic root of 52331522 is about 374.0426472000.

Adding to 52331522 its reverse (22513325), we get a palindrome (74844847).

The spelling of 52331522 in words is "fifty-two million, three hundred thirty-one thousand, five hundred twenty-two".