52228313 has 4 divisors (see below), whose sum is σ = 52735488. Its totient is φ = 51721140.

The previous prime is 52228303. The next prime is 52228343. The reversal of 52228313 is 31382225.

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 52228313 - 2⁶ = 52228249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52228303) 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, 253433 + ... + 253638.

It is an arithmetic number, because the mean of its divisors is an integer number (13183872).

Almost surely, 2^52228313 is an apocalyptic number.

It is an amenable number.

52228313 is a deficient number, since it is larger than the sum of its proper divisors (507175).

52228313 is a wasteful number, since it uses less digits than its factorization.

52228313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507174.

The product of its digits is 2880, while the sum is 26.

The square root of 52228313 is about 7226.9158705495. The cubic root of 52228313 is about 373.7965878921.

The spelling of 52228313 in words is "fifty-two million, two hundred twenty-eight thousand, three hundred thirteen".