5547217439 has 4 divisors (see below), whose sum is σ = 5552896224. Its totient is φ = 5541538656.

The previous prime is 5547217327. The next prime is 5547217471. The reversal of 5547217439 is 9347127455.

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

It is a cyclic number.

It is not a de Polignac number, because 5547217439 - 2⁸ = 5547217183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5547217393 and 5547217402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5547217639) 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, 2837927 + ... + 2839880.

It is an arithmetic number, because the mean of its divisors is an integer number (1388224056).

Almost surely, 2^5547217439 is an apocalyptic number.

5547217439 is a deficient number, since it is larger than the sum of its proper divisors (5678785).

5547217439 is an equidigital number, since it uses as much as digits as its factorization.

5547217439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678784.

The product of its digits is 1058400, while the sum is 47.

The square root of 5547217439 is about 74479.6444607518. The cubic root of 5547217439 is about 1770.2111145507.

The spelling of 5547217439 in words is "five billion, five hundred forty-seven million, two hundred seventeen thousand, four hundred thirty-nine".