52705223 has 4 divisors (see below), whose sum is σ = 52724808. Its totient is φ = 52685640.

The previous prime is 52705207. The next prime is 52705271. The reversal of 52705223 is 32250725.

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 52705223 - 2⁴ = 52705207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52705192 and 52705201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52705123) 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, 4961 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (13181202).

Almost surely, 2^52705223 is an apocalyptic number.

52705223 is a deficient number, since it is larger than the sum of its proper divisors (19585).

52705223 is a wasteful number, since it uses less digits than its factorization.

52705223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 52705223 is about 7259.8362929201. The cubic root of 52705223 is about 374.9308862258.

Adding to 52705223 its reverse (32250725), we get a palindrome (84955948).

The spelling of 52705223 in words is "fifty-two million, seven hundred five thousand, two hundred twenty-three".