455716808617553 has 8 divisors (see below), whose sum is σ = 521581756281408. Its totient is φ = 390042497561904.

The previous prime is 455716808617529. The next prime is 455716808617571. The reversal of 455716808617553 is 355716808617554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455716808617553 - 2²⁴ = 455716791840337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455716838617553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47659146926 + ... + 47659156487.

It is an arithmetic number, because the mean of its divisors is an integer number (65197719535176).

Almost surely, 2^{455716808617553} is an apocalyptic number.

It is an amenable number.

455716808617553 is a deficient number, since it is larger than the sum of its proper divisors (65864947663855).

455716808617553 is an equidigital number, since it uses as much as digits as its factorization.

455716808617553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95318304103.

The product of its (nonzero) digits is 846720000, while the sum is 71.

Subtracting from 455716808617553 its reverse (355716808617554), we obtain a palindrome (99999999999999).

The spelling of 455716808617553 in words is "four hundred fifty-five trillion, seven hundred sixteen billion, eight hundred eight million, six hundred seventeen thousand, five hundred fifty-three".