57694661 has 2 divisors, whose sum is σ = 57694662. Its totient is φ = 57694660.

The previous prime is 57694643. The next prime is 57694723. The reversal of 57694661 is 16649675.

It is a happy number.

57694661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 6300100 = 7169^2 + 2510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57694661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57694061) 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, 28847330 + 28847331.

It is an arithmetic number, because the mean of its divisors is an integer number (28847331).

Almost surely, 2^57694661 is an apocalyptic number.

It is an amenable number.

57694661 is a deficient number, since it is larger than the sum of its proper divisors (1).

57694661 is an equidigital number, since it uses as much as digits as its factorization.

57694661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 57694661 is about 7595.7001652251. The cubic root of 57694661 is about 386.4071986801.

The spelling of 57694661 in words is "fifty-seven million, six hundred ninety-four thousand, six hundred sixty-one".