43650052 has 12 divisors (see below), whose sum is σ = 76457500. Its totient is φ = 21805056.

The previous prime is 43650043. The next prime is 43650059. The reversal of 43650052 is 25005634.

It can be written as a sum of positive squares in 2 ways, for example, as 17189316 + 26460736 = 4146^2 + 5144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43649999 and 43650026.

It is not an unprimeable number, because it can be changed into a prime (43650059) 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, 628 + ... + 9364.

Almost surely, 2^43650052 is an apocalyptic number.

It is an amenable number.

43650052 is a deficient number, since it is larger than the sum of its proper divisors (32807448).

43650052 is a wasteful number, since it uses less digits than its factorization.

43650052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990 (or 9988 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 43650052 is about 6606.8185989930. The cubic root of 43650052 is about 352.0964030892.

Adding to 43650052 its reverse (25005634), we get a palindrome (68655686).

The spelling of 43650052 in words is "forty-three million, six hundred fifty thousand, fifty-two".