43552 has 12 divisors (see below), whose sum is σ = 85806. Its totient is φ = 21760.

The previous prime is 43543. The next prime is 43573. The reversal of 43552 is 25534.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41616 + 1936 = 204^2 + 44^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

43552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649 + ... + 712.

2⁴³⁵⁵² is an apocalyptic number.

It is an amenable number.

43552 is a deficient number, since it is larger than the sum of its proper divisors (42254).

43552 is a wasteful number, since it uses less digits than its factorization.

43552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1363 counting only the distinct ones).

The product of its digits is 600, while the sum is 19.

The square root of 43552 is about 208.6911593719. The cubic root of 43552 is about 35.1832564997.

It can be divided in two parts, 43 and 552, that added together give a palindrome (595).

The spelling of 43552 in words is "forty-three thousand, five hundred fifty-two".