5447228551 has 2 divisors, whose sum is σ = 5447228552. Its totient is φ = 5447228550.

The previous prime is 5447228533. The next prime is 5447228597. The reversal of 5447228551 is 1558227445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5447228551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5447228498 and 5447228507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5447228531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2723614275 + 2723614276.

It is an arithmetic number, because the mean of its divisors is an integer number (2723614276).

Almost surely, 2^5447228551 is an apocalyptic number.

5447228551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5447228551 is an equidigital number, since it uses as much as digits as its factorization.

5447228551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448000, while the sum is 43.

The square root of 5447228551 is about 73805.3422930888. The cubic root of 5447228551 is about 1759.5105120133.

The spelling of 5447228551 in words is "five billion, four hundred forty-seven million, two hundred twenty-eight thousand, five hundred fifty-one".