5443287881 has 4 divisors (see below), whose sum is σ = 5443752132. Its totient is φ = 5442823632.

The previous prime is 5443287853. The next prime is 5443287911. The reversal of 5443287881 is 1887823445.

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 13808656 + 5429479225 = 3716^2 + 73685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5443287881 is a prime.

It is a super-2 number, since 2×5443287881² = 59258765910882940322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5443287821) 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, 214070 + ... + 238143.

It is an arithmetic number, because the mean of its divisors is an integer number (1360938033).

Almost surely, 2^5443287881 is an apocalyptic number.

It is an amenable number.

5443287881 is a deficient number, since it is larger than the sum of its proper divisors (464251).

5443287881 is a wasteful number, since it uses less digits than its factorization.

5443287881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464250.

The product of its digits is 1720320, while the sum is 50.

The square root of 5443287881 is about 73778.6410894102. The cubic root of 5443287881 is about 1759.0861174249.

The spelling of 5443287881 in words is "five billion, four hundred forty-three million, two hundred eighty-seven thousand, eight hundred eighty-one".