52447224 has 32 divisors (see below), whose sum is σ = 133344000. Its totient is φ = 17185632.

The previous prime is 52447223. The next prime is 52447237. The reversal of 52447224 is 42274425.

It is a super-2 number, since 2×52447224² = 5501422610612352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52447191 and 52447200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52447223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17104 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (4167000).

Almost surely, 2^52447224 is an apocalyptic number.

It is an amenable number.

52447224 is an abundant number, since it is smaller than the sum of its proper divisors (80896776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52447224 is a wasteful number, since it uses less digits than its factorization.

52447224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37107 (or 37103 counting only the distinct ones).

The product of its digits is 17920, while the sum is 30.

The square root of 52447224 is about 7242.0455673794. The cubic root of 52447224 is about 374.3181065863.

The spelling of 52447224 in words is "fifty-two million, four hundred forty-seven thousand, two hundred twenty-four".