57785353 has 2 divisors, whose sum is σ = 57785354. Its totient is φ = 57785352.

The previous prime is 57785309. The next prime is 57785383. The reversal of 57785353 is 35358775.

57785353 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., 57562569 + 222784 = 7587^2 + 472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57785353 is a prime.

It is not a weakly prime, because it can be changed into another prime (57785383) 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, 28892676 + 28892677.

It is an arithmetic number, because the mean of its divisors is an integer number (28892677).

Almost surely, 2^57785353 is an apocalyptic number.

It is an amenable number.

57785353 is a deficient number, since it is larger than the sum of its proper divisors (1).

57785353 is an equidigital number, since it uses as much as digits as its factorization.

57785353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441000, while the sum is 43.

The square root of 57785353 is about 7601.6677775341. The cubic root of 57785353 is about 386.6095611102.

The spelling of 57785353 in words is "fifty-seven million, seven hundred eighty-five thousand, three hundred fifty-three".