455444057 has 2 divisors, whose sum is σ = 455444058. Its totient is φ = 455444056.

The previous prime is 455444051. The next prime is 455444071. The reversal of 455444057 is 750444554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455438281 + 5776 = 21341^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 455444057 - 2⁶ = 455443993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455444057.

It is not a weakly prime, because it can be changed into another prime (455444051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227722028 + 227722029.

It is an arithmetic number, because the mean of its divisors is an integer number (227722029).

Almost surely, 2^455444057 is an apocalyptic number.

It is an amenable number.

455444057 is a deficient number, since it is larger than the sum of its proper divisors (1).

455444057 is an equidigital number, since it uses as much as digits as its factorization.

455444057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224000, while the sum is 38.

The square root of 455444057 is about 21341.1353259380. The cubic root of 455444057 is about 769.3872997427.

The spelling of 455444057 in words is "four hundred fifty-five million, four hundred forty-four thousand, fifty-seven".