455055493 has 2 divisors, whose sum is σ = 455055494. Its totient is φ = 455055492.

The previous prime is 455055463. The next prime is 455055499. The reversal of 455055493 is 394550554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453562209 + 1493284 = 21297^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 455055493 - 2²⁵ = 421501061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455055499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227527746 + 227527747.

It is an arithmetic number, because the mean of its divisors is an integer number (227527747).

Almost surely, 2^455055493 is an apocalyptic number.

It is an amenable number.

455055493 is a deficient number, since it is larger than the sum of its proper divisors (1).

455055493 is an equidigital number, since it uses as much as digits as its factorization.

455055493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 455055493 is about 21332.0297440258. The cubic root of 455055493 is about 769.1684354928.

The spelling of 455055493 in words is "four hundred fifty-five million, fifty-five thousand, four hundred ninety-three".