454785553 has 4 divisors (see below), whose sum is σ = 454831600. Its totient is φ = 454739508.

The previous prime is 454785503. The next prime is 454785559. The reversal of 454785553 is 355587454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 454785553 - 2¹³ = 454777361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454785559) 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, 1503 + ... + 30196.

It is an arithmetic number, because the mean of its divisors is an integer number (113707900).

Almost surely, 2^454785553 is an apocalyptic number.

It is an amenable number.

454785553 is a deficient number, since it is larger than the sum of its proper divisors (46047).

454785553 is a wasteful number, since it uses less digits than its factorization.

454785553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46046.

The product of its digits is 1680000, while the sum is 46.

The square root of 454785553 is about 21325.7017000614. The cubic root of 454785553 is about 769.0163145614.

It can be divided in two parts, 4547 and 85553, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 454785553 in words is "four hundred fifty-four million, seven hundred eighty-five thousand, five hundred fifty-three".