454550055517 has 2 divisors, whose sum is σ = 454550055518. Its totient is φ = 454550055516.

The previous prime is 454550055439. The next prime is 454550055523. The reversal of 454550055517 is 715550055454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432620592121 + 21929463396 = 657739^2 + 148086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454550055517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454550055577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227275027758 + 227275027759.

It is an arithmetic number, because the mean of its divisors is an integer number (227275027759).

Almost surely, 2^454550055517 is an apocalyptic number.

It is an amenable number.

454550055517 is a deficient number, since it is larger than the sum of its proper divisors (1).

454550055517 is an equidigital number, since it uses as much as digits as its factorization.

454550055517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750000, while the sum is 46.

The spelling of 454550055517 in words is "four hundred fifty-four billion, five hundred fifty million, fifty-five thousand, five hundred seventeen".