57255017 has 2 divisors, whose sum is σ = 57255018. Its totient is φ = 57255016.

The previous prime is 57255007. The next prime is 57255049. The reversal of 57255017 is 71055275.

57255017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (57255049) can be obtained adding 57255017 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 6046681 = 7156^2 + 2459^2 .

It is a cyclic number.

It is not a de Polignac number, because 57255017 - 2⁴ = 57255001 is a prime.

It is not a weakly prime, because it can be changed into another prime (57255007) 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, 28627508 + 28627509.

It is an arithmetic number, because the mean of its divisors is an integer number (28627509).

Almost surely, 2^57255017 is an apocalyptic number.

It is an amenable number.

57255017 is a deficient number, since it is larger than the sum of its proper divisors (1).

57255017 is an equidigital number, since it uses as much as digits as its factorization.

57255017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 57255017 is about 7566.7045006396. The cubic root of 57255017 is about 385.4231968714.

The spelling of 57255017 in words is "fifty-seven million, two hundred fifty-five thousand, seventeen".