52286321 has 4 divisors (see below), whose sum is σ = 52332144. Its totient is φ = 52240500.

The previous prime is 52286303. The next prime is 52286359. The reversal of 52286321 is 12368225.

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 52286321 - 2¹⁸ = 52024177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52286371) 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, 21155 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (13083036).

Almost surely, 2^52286321 is an apocalyptic number.

It is an amenable number.

52286321 is a deficient number, since it is larger than the sum of its proper divisors (45823).

52286321 is a wasteful number, since it uses less digits than its factorization.

52286321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45822.

The product of its digits is 5760, while the sum is 29.

The square root of 52286321 is about 7230.9280870439. The cubic root of 52286321 is about 373.9349239057.

The spelling of 52286321 in words is "fifty-two million, two hundred eighty-six thousand, three hundred twenty-one".