52321330 has 32 divisors (see below), whose sum is σ = 99111600. Its totient is φ = 19860480.

The previous prime is 52321327. The next prime is 52321331. The reversal of 52321330 is 3312325.

52321330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4669921 + 47651409 = 2161^2 + 6903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52321298 and 52321307.

It is not an unprimeable number, because it can be changed into a prime (52321331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13446 + ... + 16894.

Almost surely, 2^52321330 is an apocalyptic number.

52321330 is a deficient number, since it is larger than the sum of its proper divisors (46790270).

52321330 is a wasteful number, since it uses less digits than its factorization.

52321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 52321330 is about 7233.3484638859. The cubic root of 52321330 is about 374.0183629826.

Adding to 52321330 its reverse (3312325), we get a palindrome (55633655).

The spelling of 52321330 in words is "fifty-two million, three hundred twenty-one thousand, three hundred thirty".