448755057 has 12 divisors (see below), whose sum is σ = 648420084. Its totient is φ = 299069280.

The previous prime is 448755049. The next prime is 448755067. The reversal of 448755057 is 750557844.

448755057 is a `hidden beast` number, since 4 + 48 + 7 + 550 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 407999601 + 40755456 = 20199^2 + 6384^2 .

It is not a de Polignac number, because 448755057 - 2³ = 448755049 is a prime.

It is a super-2 number, since 2×448755057² = 402762202366146498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448755067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28207 + ... + 41147.

It is an arithmetic number, because the mean of its divisors is an integer number (54035007).

Almost surely, 2^448755057 is an apocalyptic number.

It is an amenable number.

448755057 is a deficient number, since it is larger than the sum of its proper divisors (199665027).

448755057 is a wasteful number, since it uses less digits than its factorization.

448755057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16800 (or 16797 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The square root of 448755057 is about 21183.8395245055. The cubic root of 448755057 is about 765.6021044760.

The spelling of 448755057 in words is "four hundred forty-eight million, seven hundred fifty-five thousand, fifty-seven".