52650321 has 8 divisors (see below), whose sum is σ = 70259520. Its totient is φ = 35070672.

The previous prime is 52650319. The next prime is 52650329. The reversal of 52650321 is 12305625.

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

It is not a de Polignac number, because 52650321 - 2¹ = 52650319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52650291 and 52650300.

It is not an unprimeable number, because it can be changed into a prime (52650329) by changing a digit.

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, 2826 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (8782440).

Almost surely, 2^52650321 is an apocalyptic number.

It is an amenable number.

52650321 is a deficient number, since it is larger than the sum of its proper divisors (17609199).

52650321 is a wasteful number, since it uses less digits than its factorization.

52650321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14775.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 52650321 is about 7256.0540929626. The cubic root of 52650321 is about 374.8006549385.

Adding to 52650321 its reverse (12305625), we get a palindrome (64955946).

The spelling of 52650321 in words is "fifty-two million, six hundred fifty thousand, three hundred twenty-one".