455821128554 has 16 divisors (see below), whose sum is σ = 789764950656. Its totient is φ = 195003691200.

The previous prime is 455821128533. The next prime is 455821128589.

455821128554 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609386162 + ... + 609386909.

It is an arithmetic number, because the mean of its divisors is an integer number (49360309416).

Almost surely, 2^455821128554 is an apocalyptic number.

455821128554 is a deficient number, since it is larger than the sum of its proper divisors (333943822102).

455821128554 is a wasteful number, since it uses less digits than its factorization.

455821128554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218773101.

The product of its digits is 2560000, while the sum is 50.

It can be divided in two parts, 4558 and 21128554, that added together give a palindrome (21133112).

The spelling of 455821128554 in words is "four hundred fifty-five billion, eight hundred twenty-one million, one hundred twenty-eight thousand, five hundred fifty-four".