455404553 has 2 divisors, whose sum is σ = 455404554. Its totient is φ = 455404552.

The previous prime is 455404511. The next prime is 455404571. The reversal of 455404553 is 355404554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442176784 + 13227769 = 21028^2 + 3637^2 .

It is a cyclic number.

It is not a de Polignac number, because 455404553 - 2¹² = 455400457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455404583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227702276 + 227702277.

It is an arithmetic number, because the mean of its divisors is an integer number (227702277).

Almost surely, 2^455404553 is an apocalyptic number.

It is an amenable number.

455404553 is a deficient number, since it is larger than the sum of its proper divisors (1).

455404553 is an equidigital number, since it uses as much as digits as its factorization.

455404553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 455404553 is about 21340.2097693533. The cubic root of 455404553 is about 769.3650542336.

Subtracting from 455404553 its reverse (355404554), we obtain a palindrome (99999999).

The spelling of 455404553 in words is "four hundred fifty-five million, four hundred four thousand, five hundred fifty-three".