450043551 has 6 divisors (see below), whose sum is σ = 650062920. Its totient is φ = 300029028.

The previous prime is 450043549. The next prime is 450043579. The reversal of 450043551 is 155340054.

It is not a de Polignac number, because 450043551 - 2¹ = 450043549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450043501) 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, 25002411 + ... + 25002428.

It is an arithmetic number, because the mean of its divisors is an integer number (108343820).

Almost surely, 2^450043551 is an apocalyptic number.

450043551 is a deficient number, since it is larger than the sum of its proper divisors (200019369).

450043551 is a wasteful number, since it uses less digits than its factorization.

450043551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50004845 (or 50004842 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 450043551 is about 21214.2299176755. The cubic root of 450043551 is about 766.3341527384.

The spelling of 450043551 in words is "four hundred fifty million, forty-three thousand, five hundred fifty-one".