43800052 has 18 divisors (see below), whose sum is σ = 78331442. Its totient is φ = 21429744.

The previous prime is 43800037. The next prime is 43800061. The reversal of 43800052 is 25000834.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 1731856 = 6486^2 + 1316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43799996 and 43800032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6358 + ... + 11314.

Almost surely, 2^43800052 is an apocalyptic number.

It is an amenable number.

43800052 is a deficient number, since it is larger than the sum of its proper divisors (34531390).

43800052 is a wasteful number, since it uses less digits than its factorization.

43800052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 43800052 is about 6618.1607716948. The cubic root of 43800052 is about 352.4992592577.

Adding to 43800052 its reverse (25000834), we get a palindrome (68800886).

The spelling of 43800052 in words is "forty-three million, eight hundred thousand, fifty-two".