455055019 has 2 divisors, whose sum is σ = 455055020. Its totient is φ = 455055018.

The previous prime is 455054993. The next prime is 455055043. The reversal of 455055019 is 910550554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455055019 - 2¹⁵ = 455022251 is a prime.

It is a super-2 number, since 2×455055019² = 414150140634180722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (455055319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227527509 + 227527510.

It is an arithmetic number, because the mean of its divisors is an integer number (227527510).

Almost surely, 2^455055019 is an apocalyptic number.

455055019 is a deficient number, since it is larger than the sum of its proper divisors (1).

455055019 is an equidigital number, since it uses as much as digits as its factorization.

455055019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 455055019 is about 21332.0186339690. The cubic root of 455055019 is about 769.1681684295.

The spelling of 455055019 in words is "four hundred fifty-five million, fifty-five thousand, nineteen".