500555449 has 2 divisors, whose sum is σ = 500555450. Its totient is φ = 500555448.

The previous prime is 500555443. The next prime is 500555477. The reversal of 500555449 is 944555005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284259600 + 216295849 = 16860^2 + 14707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500555449 is a prime.

It is not a weakly prime, because it can be changed into another prime (500555443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250277724 + 250277725.

It is an arithmetic number, because the mean of its divisors is an integer number (250277725).

Almost surely, 2^500555449 is an apocalyptic number.

It is an amenable number.

500555449 is a deficient number, since it is larger than the sum of its proper divisors (1).

500555449 is an equidigital number, since it uses as much as digits as its factorization.

500555449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 500555449 is about 22373.0965447343. The cubic root of 500555449 is about 793.9943239934.

The spelling of 500555449 in words is "five hundred million, five hundred fifty-five thousand, four hundred forty-nine".