455551163 has 4 divisors (see below), whose sum is σ = 479527560. Its totient is φ = 431574768.

The previous prime is 455551139. The next prime is 455551183. The reversal of 455551163 is 361155554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361155554 = 2 ⋅180577777.

It is a cyclic number.

It is not a de Polignac number, because 455551163 - 2²² = 451356859 is a prime.

It is a super-2 number, since 2×455551163² = 415053724221305138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455551183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11988170 + ... + 11988207.

It is an arithmetic number, because the mean of its divisors is an integer number (119881890).

Almost surely, 2^455551163 is an apocalyptic number.

455551163 is a deficient number, since it is larger than the sum of its proper divisors (23976397).

455551163 is a wasteful number, since it uses less digits than its factorization.

455551163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23976396.

The product of its digits is 45000, while the sum is 35.

The square root of 455551163 is about 21343.6445575726. The cubic root of 455551163 is about 769.4476068473.

The spelling of 455551163 in words is "four hundred fifty-five million, five hundred fifty-one thousand, one hundred sixty-three".