57712273 has 2 divisors, whose sum is σ = 57712274. Its totient is φ = 57712272.

The previous prime is 57712247. The next prime is 57712289. The reversal of 57712273 is 37221775.

It is a happy number.

57712273 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., 48330304 + 9381969 = 6952^2 + 3063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57712273 is a prime.

It is not a weakly prime, because it can be changed into another prime (57712243) 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, 28856136 + 28856137.

It is an arithmetic number, because the mean of its divisors is an integer number (28856137).

Almost surely, 2^57712273 is an apocalyptic number.

It is an amenable number.

57712273 is a deficient number, since it is larger than the sum of its proper divisors (1).

57712273 is an equidigital number, since it uses as much as digits as its factorization.

57712273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 34.

The square root of 57712273 is about 7596.8594168906. The cubic root of 57712273 is about 386.4465131857.

The spelling of 57712273 in words is "fifty-seven million, seven hundred twelve thousand, two hundred seventy-three".