455434434553 has 6 divisors (see below), whose sum is σ = 529791076986. Its totient is φ = 390372372432.

The previous prime is 455434434509. The next prime is 455434434577. The reversal of 455434434553 is 355434434554.

It can be written as a sum of positive squares in only one way, i.e., 448540951824 + 6893482729 = 669732^2 + 83027^2 .

It is not a de Polignac number, because 455434434553 - 2⁹ = 455434434041 is a prime.

It is a super-2 number, since 2×455434434553² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 9294580297 = 455434434553 / (4 + 5 + 5 + 4 + 3 + 4 + 4 + 3 + 4 + 5 + 5 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455434434497 and 455434434506.

It is not an unprimeable number, because it can be changed into a prime (455434434503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4647290100 + ... + 4647290197.

It is an arithmetic number, because the mean of its divisors is an integer number (88298512831).

Almost surely, 2^455434434553 is an apocalyptic number.

It is an amenable number.

455434434553 is a deficient number, since it is larger than the sum of its proper divisors (74356642433).

455434434553 is an equidigital number, since it uses as much as digits as its factorization.

455434434553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9294580311 (or 9294580304 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 49.

Subtracting from 455434434553 its reverse (355434434554), we obtain a palindrome (99999999999).

The spelling of 455434434553 in words is "four hundred fifty-five billion, four hundred thirty-four million, four hundred thirty-four thousand, five hundred fifty-three".