57793997 has 2 divisors, whose sum is σ = 57793998. Its totient is φ = 57793996.

The previous prime is 57793961. The next prime is 57794039. The reversal of 57793997 is 79939775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 12823561 = 6706^2 + 3581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57793997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57793907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28896998 + 28896999.

It is an arithmetic number, because the mean of its divisors is an integer number (28896999).

Almost surely, 2^57793997 is an apocalyptic number.

It is an amenable number.

57793997 is a deficient number, since it is larger than the sum of its proper divisors (1).

57793997 is an equidigital number, since it uses as much as digits as its factorization.

57793997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750705, while the sum is 56.

The square root of 57793997 is about 7602.2363157166. The cubic root of 57793997 is about 386.6288375430.

The spelling of 57793997 in words is "fifty-seven million, seven hundred ninety-three thousand, nine hundred ninety-seven".