5558447 has 2 divisors, whose sum is σ = 5558448. Its totient is φ = 5558446.

The previous prime is 5558429. The next prime is 5558453. The reversal of 5558447 is 7448555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5558447 - 2⁸ = 5558191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5558447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5558407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2779223 + 2779224.

It is an arithmetic number, because the mean of its divisors is an integer number (2779224).

Almost surely, 2^5558447 is an apocalyptic number.

5558447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5558447 is an equidigital number, since it uses as much as digits as its factorization.

5558447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112000, while the sum is 38.

The square root of 5558447 is about 2357.6358921598. The cubic root of 5558447 is about 177.1404823836.

The spelling of 5558447 in words is "five million, five hundred fifty-eight thousand, four hundred forty-seven".