52006223 has 4 divisors (see below), whose sum is σ = 52632888. Its totient is φ = 51379560.

The previous prime is 52006219. The next prime is 52006231. The reversal of 52006223 is 32260025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52006223 - 2² = 52006219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52006195 and 52006204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52036223) 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, 313208 + ... + 313373.

It is an arithmetic number, because the mean of its divisors is an integer number (13158222).

Almost surely, 2^52006223 is an apocalyptic number.

52006223 is a deficient number, since it is larger than the sum of its proper divisors (626665).

52006223 is an equidigital number, since it uses as much as digits as its factorization.

52006223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626664.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52006223 is about 7211.5340254345. The cubic root of 52006223 is about 373.2660044576.

Adding to 52006223 its reverse (32260025), we get a palindrome (84266248).

The spelling of 52006223 in words is "fifty-two million, six thousand, two hundred twenty-three".