450053417 has 4 divisors (see below), whose sum is σ = 490967376. Its totient is φ = 409139460.

The previous prime is 450053413. The next prime is 450053447. The reversal of 450053417 is 714350054.

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 450053417 - 2² = 450053413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450053417.

It is not an unprimeable number, because it can be changed into a prime (450053411) 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, 20456963 + ... + 20456984.

It is an arithmetic number, because the mean of its divisors is an integer number (122741844).

Almost surely, 2^450053417 is an apocalyptic number.

It is an amenable number.

450053417 is a deficient number, since it is larger than the sum of its proper divisors (40913959).

450053417 is a wasteful number, since it uses less digits than its factorization.

450053417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40913958.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 450053417 is about 21214.4624489993. The cubic root of 450053417 is about 766.3397526390.

The spelling of 450053417 in words is "four hundred fifty million, fifty-three thousand, four hundred seventeen".