52724223 has 32 divisors (see below), whose sum is σ = 81259200. Its totient is φ = 33758208.

The previous prime is 52724219. The next prime is 52724227. The reversal of 52724223 is 32242725.

It is an interprime number because it is at equal distance from previous prime (52724219) and next prime (52724227).

It is not a de Polignac number, because 52724223 - 2² = 52724219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52724227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88615 + ... + 89207.

It is an arithmetic number, because the mean of its divisors is an integer number (2539350).

Almost surely, 2^52724223 is an apocalyptic number.

52724223 is a deficient number, since it is larger than the sum of its proper divisors (28534977).

52724223 is a wasteful number, since it uses less digits than its factorization.

52724223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 722 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 52724223 is about 7261.1447444601. The cubic root of 52724223 is about 374.9759344556.

Adding to 52724223 its reverse (32242725), we get a palindrome (84966948).

The spelling of 52724223 in words is "fifty-two million, seven hundred twenty-four thousand, two hundred twenty-three".