450161536553 has 4 divisors (see below), whose sum is σ = 450169704960. Its totient is φ = 450153368148.

The previous prime is 450161536523. The next prime is 450161536597. The reversal of 450161536553 is 355635161054.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 450161536553 - 2¹⁴ = 450161520169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450161536523) 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, 4000973 + ... + 4111946.

It is an arithmetic number, because the mean of its divisors is an integer number (112542426240).

Almost surely, 2^450161536553 is an apocalyptic number.

It is an amenable number.

450161536553 is a deficient number, since it is larger than the sum of its proper divisors (8168407).

450161536553 is an equidigital number, since it uses as much as digits as its factorization.

450161536553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168406.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 450161536553 in words is "four hundred fifty billion, one hundred sixty-one million, five hundred thirty-six thousand, five hundred fifty-three".