43855061056 has 21 divisors (see below), whose sum is σ = 87028211389. Its totient is φ = 21926692864.

The previous prime is 43855061051. The next prime is 43855061069. The reversal of 43855061056 is 65016055834.

The square root of 43855061056 is 209416.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42156302400 + 1698758656 = 205320^2 + 41216^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43855061051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1662240 + ... + 1688416.

Almost surely, 2^43855061056 is an apocalyptic number.

43855061056 is the 209416-th square number.

It is an amenable number.

43855061056 is a deficient number, since it is larger than the sum of its proper divisors (43173150333).

43855061056 is an frugal number, since it uses more digits than its factorization.

43855061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52366 (or 26179 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 43855061056 in words is "forty-three billion, eight hundred fifty-five million, sixty-one thousand, fifty-six".