8551104557 has 2 divisors, whose sum is σ = 8551104558. Its totient is φ = 8551104556.

The previous prime is 8551104553. The next prime is 8551104613. The reversal of 8551104557 is 7554011558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8381219401 + 169885156 = 91549^2 + 13034^2 .

It is a cyclic number.

It is not a de Polignac number, because 8551104557 - 2² = 8551104553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8551104553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275552278 + 4275552279.

It is an arithmetic number, because the mean of its divisors is an integer number (4275552279).

Almost surely, 2^8551104557 is an apocalyptic number.

It is an amenable number.

8551104557 is a deficient number, since it is larger than the sum of its proper divisors (1).

8551104557 is an equidigital number, since it uses as much as digits as its factorization.

8551104557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140000, while the sum is 41.

The square root of 8551104557 is about 92472.1826118536. The cubic root of 8551104557 is about 2044.9094044669.

The spelling of 8551104557 in words is "eight billion, five hundred fifty-one million, one hundred four thousand, five hundred fifty-seven".