450553331 has 4 divisors (see below), whose sum is σ = 451250352. Its totient is φ = 449856312.

The previous prime is 450553321. The next prime is 450553339. The reversal of 450553331 is 133355054.

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 450553331 - 2²² = 446359027 is a prime.

It is a super-2 number, since 2×450553331² = 405996608150391122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450553294 and 450553303.

It is not an unprimeable number, because it can be changed into a prime (450553339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347540 + ... + 348833.

It is an arithmetic number, because the mean of its divisors is an integer number (112812588).

Almost surely, 2^450553331 is an apocalyptic number.

450553331 is a deficient number, since it is larger than the sum of its proper divisors (697021).

450553331 is an equidigital number, since it uses as much as digits as its factorization.

450553331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697020.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 450553331 is about 21226.2415655716. The cubic root of 450553331 is about 766.6233946802.

The spelling of 450553331 in words is "four hundred fifty million, five hundred fifty-three thousand, three hundred thirty-one".