455430553 has 2 divisors, whose sum is σ = 455430554. Its totient is φ = 455430552.

The previous prime is 455430491. The next prime is 455430593. The reversal of 455430553 is 355034554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454414489 + 1016064 = 21317^2 + 1008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455430553 is a prime.

It is not a weakly prime, because it can be changed into another prime (455430593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227715276 + 227715277.

It is an arithmetic number, because the mean of its divisors is an integer number (227715277).

Almost surely, 2^455430553 is an apocalyptic number.

It is an amenable number.

455430553 is a deficient number, since it is larger than the sum of its proper divisors (1).

455430553 is an equidigital number, since it uses as much as digits as its factorization.

455430553 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 34.

The square root of 455430553 is about 21340.8189393003. The cubic root of 455430553 is about 769.3796955092.

The spelling of 455430553 in words is "four hundred fifty-five million, four hundred thirty thousand, five hundred fifty-three".