450055013 has 16 divisors (see below), whose sum is σ = 475910784. Its totient is φ = 425113920.

The previous prime is 450054977. The next prime is 450055027. The reversal of 450055013 is 310550054.

It is not a de Polignac number, because 450055013 - 2⁶ = 450054949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 450055013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450055043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174731 + ... + 177287.

It is an arithmetic number, because the mean of its divisors is an integer number (29744424).

Almost surely, 2^450055013 is an apocalyptic number.

It is an amenable number.

450055013 is a deficient number, since it is larger than the sum of its proper divisors (25855771).

450055013 is a wasteful number, since it uses less digits than its factorization.

450055013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 450055013 is about 21214.5000648142. The cubic root of 450055013 is about 766.3406585143.

The spelling of 450055013 in words is "four hundred fifty million, fifty-five thousand, thirteen".