57493417 has 2 divisors, whose sum is σ = 57493418. Its totient is φ = 57493416.

The previous prime is 57493409. The next prime is 57493433. The reversal of 57493417 is 71439475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51036736 + 6456681 = 7144^2 + 2541^2 .

It is a cyclic number.

It is not a de Polignac number, because 57493417 - 2³ = 57493409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57493417.

It is not a weakly prime, because it can be changed into another prime (57493477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28746708 + 28746709.

It is an arithmetic number, because the mean of its divisors is an integer number (28746709).

Almost surely, 2^57493417 is an apocalyptic number.

It is an amenable number.

57493417 is a deficient number, since it is larger than the sum of its proper divisors (1).

57493417 is an equidigital number, since it uses as much as digits as its factorization.

57493417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 57493417 is about 7582.4413614614. The cubic root of 57493417 is about 385.9574013144.

The spelling of 57493417 in words is "fifty-seven million, four hundred ninety-three thousand, four hundred seventeen".