4055548709 has 4 divisors (see below), whose sum is σ = 4056045804. Its totient is φ = 4055051616.

The previous prime is 4055548657. The next prime is 4055548729. The reversal of 4055548709 is 9078455504.

It is a happy number.

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 4038983809 + 16564900 = 63553^2 + 4070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4055548709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055548729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236102 + ... + 252695.

It is an arithmetic number, because the mean of its divisors is an integer number (1014011451).

Almost surely, 2^4055548709 is an apocalyptic number.

It is an amenable number.

4055548709 is a deficient number, since it is larger than the sum of its proper divisors (497095).

4055548709 is an equidigital number, since it uses as much as digits as its factorization.

4055548709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497094.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 4055548709 is about 63683.1901603555. The cubic root of 4055548709 is about 1594.7154701235.

The spelling of 4055548709 in words is "four billion, fifty-five million, five hundred forty-eight thousand, seven hundred nine".