57966589 has 2 divisors, whose sum is σ = 57966590. Its totient is φ = 57966588.

The previous prime is 57966581. The next prime is 57966593. The reversal of 57966589 is 98566975.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56625625 + 1340964 = 7525^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 57966589 - 2³ = 57966581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57966581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28983294 + 28983295.

It is an arithmetic number, because the mean of its divisors is an integer number (28983295).

Almost surely, 2^57966589 is an apocalyptic number.

It is an amenable number.

57966589 is a deficient number, since it is larger than the sum of its proper divisors (1).

57966589 is an equidigital number, since it uses as much as digits as its factorization.

57966589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 55.

The square root of 57966589 is about 7613.5792502607. The cubic root of 57966589 is about 387.0133222806.

The spelling of 57966589 in words is "fifty-seven million, nine hundred sixty-six thousand, five hundred eighty-nine".