555488449 has 2 divisors, whose sum is σ = 555488450. Its totient is φ = 555488448.

The previous prime is 555488429. The next prime is 555488471. The reversal of 555488449 is 944884555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393308224 + 162180225 = 19832^2 + 12735^2 .

It is a cyclic number.

It is not a de Polignac number, because 555488449 - 2¹¹ = 555486401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555488396 and 555488405.

It is not a weakly prime, because it can be changed into another prime (555488429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277744224 + 277744225.

It is an arithmetic number, because the mean of its divisors is an integer number (277744225).

Almost surely, 2^555488449 is an apocalyptic number.

It is an amenable number.

555488449 is a deficient number, since it is larger than the sum of its proper divisors (1).

555488449 is an equidigital number, since it uses as much as digits as its factorization.

555488449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608000, while the sum is 52.

The square root of 555488449 is about 23568.8024515460. The cubic root of 555488449 is about 822.0375903112.

The spelling of 555488449 in words is "five hundred fifty-five million, four hundred eighty-eight thousand, four hundred forty-nine".