52171330 has 8 divisors (see below), whose sum is σ = 93908412. Its totient is φ = 20868528.

The previous prime is 52171289. The next prime is 52171331. The reversal of 52171330 is 3317125.

It can be written as a sum of positive squares in 2 ways, for example, as 50452609 + 1718721 = 7103^2 + 1311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52171331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608557 + ... + 2608576.

Almost surely, 2^52171330 is an apocalyptic number.

52171330 is a deficient number, since it is larger than the sum of its proper divisors (41737082).

52171330 is a wasteful number, since it uses less digits than its factorization.

52171330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217140.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 52171330 is about 7222.9723798447. The cubic root of 52171330 is about 373.6605965060.

Adding to 52171330 its reverse (3317125), we get a palindrome (55488455).

The spelling of 52171330 in words is "fifty-two million, one hundred seventy-one thousand, three hundred thirty".