57982693 has 2 divisors, whose sum is σ = 57982694. Its totient is φ = 57982692.

The previous prime is 57982669. The next prime is 57982711. The reversal of 57982693 is 39628975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57123364 + 859329 = 7558^2 + 927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57982693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57982633) 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, 28991346 + 28991347.

It is an arithmetic number, because the mean of its divisors is an integer number (28991347).

Almost surely, 2^57982693 is an apocalyptic number.

It is an amenable number.

57982693 is a deficient number, since it is larger than the sum of its proper divisors (1).

57982693 is an equidigital number, since it uses as much as digits as its factorization.

57982693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 57982693 is about 7614.6367608705. The cubic root of 57982693 is about 387.0491583578.

The spelling of 57982693 in words is "fifty-seven million, nine hundred eighty-two thousand, six hundred ninety-three".