5551946347 has 4 divisors (see below), whose sum is σ = 5552126560. Its totient is φ = 5551766136.

The previous prime is 5551946321. The next prime is 5551946399. The reversal of 5551946347 is 7436491555.

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 5551946347 - 2⁷ = 5551946219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551946347.

It is not an unprimeable number, because it can be changed into a prime (5551946947) 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, 30948 + ... + 109825.

It is an arithmetic number, because the mean of its divisors is an integer number (1388031640).

Almost surely, 2^5551946347 is an apocalyptic number.

5551946347 is a deficient number, since it is larger than the sum of its proper divisors (180213).

5551946347 is a wasteful number, since it uses less digits than its factorization.

5551946347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180212.

The product of its digits is 2268000, while the sum is 49.

The square root of 5551946347 is about 74511.3840094250. The cubic root of 5551946347 is about 1770.7139965788.

The spelling of 5551946347 in words is "five billion, five hundred fifty-one million, nine hundred forty-six thousand, three hundred forty-seven".