8555047 has 2 divisors, whose sum is σ = 8555048. Its totient is φ = 8555046.

The previous prime is 8555021. The next prime is 8555051. The reversal of 8555047 is 7405558.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8555047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8555447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277523 + 4277524.

It is an arithmetic number, because the mean of its divisors is an integer number (4277524).

Almost surely, 2^8555047 is an apocalyptic number.

8555047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555047 is an equidigital number, since it uses as much as digits as its factorization.

8555047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 8555047 is about 2924.9011949124. The cubic root of 8555047 is about 204.5223621188.

The spelling of 8555047 in words is "eight million, five hundred fifty-five thousand, forty-seven".