52140322 has 8 divisors (see below), whose sum is σ = 84226716. Its totient is φ = 24064752.

The previous prime is 52140317. The next prime is 52140329. The reversal of 52140322 is 22304125.

It can be written as a sum of positive squares in 2 ways, for example, as 51825601 + 314721 = 7199^2 + 561^2 .

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

It is a super-2 number, since 2×52140322² = 5437226356527368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52140322.

It is not an unprimeable number, because it can be changed into a prime (52140329) 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, 1002673 + ... + 1002724.

Almost surely, 2^52140322 is an apocalyptic number.

52140322 is a deficient number, since it is larger than the sum of its proper divisors (32086394).

52140322 is a wasteful number, since it uses less digits than its factorization.

52140322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005412.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52140322 is about 7220.8255760682. The cubic root of 52140322 is about 373.5865535146.

Adding to 52140322 its reverse (22304125), we get a palindrome (74444447).

The spelling of 52140322 in words is "fifty-two million, one hundred forty thousand, three hundred twenty-two".