52647223 has 4 divisors (see below), whose sum is σ = 53026120. Its totient is φ = 52268328.

The previous prime is 52647167. The next prime is 52647227. The reversal of 52647223 is 32274625.

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 52647223 - 2²⁵ = 19092791 is a prime.

It is a super-2 number, since 2×52647223² = 5543460179223458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52647227) 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, 189240 + ... + 189517.

It is an arithmetic number, because the mean of its divisors is an integer number (13256530).

Almost surely, 2^52647223 is an apocalyptic number.

52647223 is a deficient number, since it is larger than the sum of its proper divisors (378897).

52647223 is a wasteful number, since it uses less digits than its factorization.

52647223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378896.

The product of its digits is 20160, while the sum is 31.

The square root of 52647223 is about 7255.8406129132. The cubic root of 52647223 is about 374.7933035733.

The spelling of 52647223 in words is "fifty-two million, six hundred forty-seven thousand, two hundred twenty-three".