57783241 has 2 divisors, whose sum is σ = 57783242. Its totient is φ = 57783240.

The previous prime is 57783217. The next prime is 57783247. The reversal of 57783241 is 14238775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 4857616 = 7275^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 57783241 - 2⁷ = 57783113 is a prime.

It is a super-3 number, since 3×57783241³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57783241.

It is not a weakly prime, because it can be changed into another prime (57783247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28891620 + 28891621.

It is an arithmetic number, because the mean of its divisors is an integer number (28891621).

Almost surely, 2^57783241 is an apocalyptic number.

It is an amenable number.

57783241 is a deficient number, since it is larger than the sum of its proper divisors (1).

57783241 is an equidigital number, since it uses as much as digits as its factorization.

57783241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 57783241 is about 7601.5288593809. The cubic root of 57783241 is about 386.6048509816.

The spelling of 57783241 in words is "fifty-seven million, seven hundred eighty-three thousand, two hundred forty-one".