52213345 has 8 divisors (see below), whose sum is σ = 63211176. Its totient is φ = 41400576.

The previous prime is 52213297. The next prime is 52213351. The reversal of 52213345 is 54331225.

52213345 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 4 ways, for example, as 41616 + 52171729 = 204^2 + 7223^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52213345 - 2⁹ = 52212833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45642 + ... + 46771.

It is an arithmetic number, because the mean of its divisors is an integer number (7901397).

Almost surely, 2^52213345 is an apocalyptic number.

It is an amenable number.

52213345 is a deficient number, since it is larger than the sum of its proper divisors (10997831).

52213345 is a wasteful number, since it uses less digits than its factorization.

52213345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92531.

The product of its digits is 3600, while the sum is 25.

The square root of 52213345 is about 7225.8802231977. The cubic root of 52213345 is about 373.7608759601.

The spelling of 52213345 in words is "fifty-two million, two hundred thirteen thousand, three hundred forty-five".