4055441521 has 4 divisors (see below), whose sum is σ = 4057337844. Its totient is φ = 4053545200.

The previous prime is 4055441513. The next prime is 4055441563. The reversal of 4055441521 is 1251445504.

It is a happy number.

4055441521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3276417600 + 779023921 = 57240^2 + 27911^2 .

It is a cyclic number.

It is not a de Polignac number, because 4055441521 - 2³ = 4055441513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4055441501) 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, 944950 + ... + 949231.

It is an arithmetic number, because the mean of its divisors is an integer number (1014334461).

Almost surely, 2^4055441521 is an apocalyptic number.

It is an amenable number.

4055441521 is a deficient number, since it is larger than the sum of its proper divisors (1896323).

4055441521 is a wasteful number, since it uses less digits than its factorization.

4055441521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896322.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4055441521 is about 63682.3485826332. The cubic root of 4055441521 is about 1594.7014205764.

The spelling of 4055441521 in words is "four billion, fifty-five million, four hundred forty-one thousand, five hundred twenty-one".