450505057 has 2 divisors, whose sum is σ = 450505058. Its totient is φ = 450505056.

The previous prime is 450505043. The next prime is 450505087. The reversal of 450505057 is 750505054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439489296 + 11015761 = 20964^2 + 3319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450505057 is a prime.

It is not a weakly prime, because it can be changed into another prime (450505087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225252528 + 225252529.

It is an arithmetic number, because the mean of its divisors is an integer number (225252529).

Almost surely, 2^450505057 is an apocalyptic number.

It is an amenable number.

450505057 is a deficient number, since it is larger than the sum of its proper divisors (1).

450505057 is an equidigital number, since it uses as much as digits as its factorization.

450505057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 450505057 is about 21225.1044049258. The cubic root of 450505057 is about 766.5960140521.

The spelling of 450505057 in words is "four hundred fifty million, five hundred five thousand, fifty-seven".