455138953553 has 2 divisors, whose sum is σ = 455138953554. Its totient is φ = 455138953552.

The previous prime is 455138953483. The next prime is 455138953673. The reversal of 455138953553 is 355359831554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346487631424 + 108651322129 = 588632^2 + 329623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455138953553 is a prime.

It is not a weakly prime, because it can be changed into another prime (455138953853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227569476776 + 227569476777.

It is an arithmetic number, because the mean of its divisors is an integer number (227569476777).

Almost surely, 2^455138953553 is an apocalyptic number.

It is an amenable number.

455138953553 is a deficient number, since it is larger than the sum of its proper divisors (1).

455138953553 is an equidigital number, since it uses as much as digits as its factorization.

455138953553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300000, while the sum is 56.

The spelling of 455138953553 in words is "four hundred fifty-five billion, one hundred thirty-eight million, nine hundred fifty-three thousand, five hundred fifty-three".