455005549 has 2 divisors, whose sum is σ = 455005550. Its totient is φ = 455005548.

The previous prime is 455005541. The next prime is 455005591. The reversal of 455005549 is 945500554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439740900 + 15264649 = 20970^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 455005549 - 2³ = 455005541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455005541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227502774 + 227502775.

It is an arithmetic number, because the mean of its divisors is an integer number (227502775).

Almost surely, 2^455005549 is an apocalyptic number.

It is an amenable number.

455005549 is a deficient number, since it is larger than the sum of its proper divisors (1).

455005549 is an equidigital number, since it uses as much as digits as its factorization.

455005549 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 455005549 is about 21330.8590778712. The cubic root of 455005549 is about 769.1402947829.

It can be divided in two parts, 455005 and 549, that added together give a palindrome (455554).

The spelling of 455005549 in words is "four hundred fifty-five million, five thousand, five hundred forty-nine".