57366061 has 2 divisors, whose sum is σ = 57366062. Its totient is φ = 57366060.

The previous prime is 57366053. The next prime is 57366077. The reversal of 57366061 is 16066375.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45765225 + 11600836 = 6765^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 57366061 - 2³ = 57366053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57366161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28683030 + 28683031.

It is an arithmetic number, because the mean of its divisors is an integer number (28683031).

Almost surely, 2^57366061 is an apocalyptic number.

It is an amenable number.

57366061 is a deficient number, since it is larger than the sum of its proper divisors (1).

57366061 is an equidigital number, since it uses as much as digits as its factorization.

57366061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 57366061 is about 7574.0386188611. The cubic root of 57366061 is about 385.6722073308.

The spelling of 57366061 in words is "fifty-seven million, three hundred sixty-six thousand, sixty-one".