455253563 has 4 divisors (see below), whose sum is σ = 455389608. Its totient is φ = 455117520.

The previous prime is 455253541. The next prime is 455253581. The reversal of 455253563 is 365352554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455253563 - 2¹⁸ = 454991419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455253503) 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, 62873 + ... + 69738.

It is an arithmetic number, because the mean of its divisors is an integer number (113847402).

Almost surely, 2^455253563 is an apocalyptic number.

455253563 is a deficient number, since it is larger than the sum of its proper divisors (136045).

455253563 is a wasteful number, since it uses less digits than its factorization.

455253563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136044.

The product of its digits is 270000, while the sum is 38.

The square root of 455253563 is about 21336.6717882616. The cubic root of 455253563 is about 769.2800168242.

The spelling of 455253563 in words is "four hundred fifty-five million, two hundred fifty-three thousand, five hundred sixty-three".