450990055 has 8 divisors (see below), whose sum is σ = 541325952. Its totient is φ = 360700128.

The previous prime is 450990053. The next prime is 450990073. The reversal of 450990055 is 550099054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450990055 - 2¹ = 450990053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450989996 and 450990023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450990053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16137 + ... + 34093.

It is an arithmetic number, because the mean of its divisors is an integer number (67665744).

Almost surely, 2^450990055 is an apocalyptic number.

450990055 is a deficient number, since it is larger than the sum of its proper divisors (90335897).

450990055 is a wasteful number, since it uses less digits than its factorization.

450990055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22985.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 450990055 is about 21236.5264344243. The cubic root of 450990055 is about 766.8710122170.

The spelling of 450990055 in words is "four hundred fifty million, nine hundred ninety thousand, fifty-five".