57448033 has 2 divisors, whose sum is σ = 57448034. Its totient is φ = 57448032.

The previous prime is 57448019. The next prime is 57448037. The reversal of 57448033 is 33084475.

It is a happy number.

57448033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53479969 + 3968064 = 7313^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 57448033 - 2²¹ = 55350881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57448033.

It is not a weakly prime, because it can be changed into another prime (57448037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28724016 + 28724017.

It is an arithmetic number, because the mean of its divisors is an integer number (28724017).

Almost surely, 2^57448033 is an apocalyptic number.

It is an amenable number.

57448033 is a deficient number, since it is larger than the sum of its proper divisors (1).

57448033 is an equidigital number, since it uses as much as digits as its factorization.

57448033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 57448033 is about 7579.4480669769. The cubic root of 57448033 is about 385.8558192399.

The spelling of 57448033 in words is "fifty-seven million, four hundred forty-eight thousand, thirty-three".