52215333 has 4 divisors (see below), whose sum is σ = 69620448. Its totient is φ = 34810220.

The previous prime is 52215281. The next prime is 52215337. The reversal of 52215333 is 33351225.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52215333 - 2⁶ = 52215269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215337) 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, 8702553 + ... + 8702558.

It is an arithmetic number, because the mean of its divisors is an integer number (17405112).

Almost surely, 2^52215333 is an apocalyptic number.

It is an amenable number.

52215333 is a deficient number, since it is larger than the sum of its proper divisors (17405115).

52215333 is a wasteful number, since it uses less digits than its factorization.

52215333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17405114.

The product of its digits is 2700, while the sum is 24.

The square root of 52215333 is about 7226.0177829839. The cubic root of 52215333 is about 373.7656194932.

Adding to 52215333 its reverse (33351225), we get a palindrome (85566558).

The spelling of 52215333 in words is "fifty-two million, two hundred fifteen thousand, three hundred thirty-three".