57008197 has 2 divisors, whose sum is σ = 57008198. Its totient is φ = 57008196.

The previous prime is 57008173. The next prime is 57008213. The reversal of 57008197 is 79180075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34739236 + 22268961 = 5894^2 + 4719^2 .

It is a cyclic number.

It is not a de Polignac number, because 57008197 - 2¹¹ = 57006149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57008297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28504098 + 28504099.

It is an arithmetic number, because the mean of its divisors is an integer number (28504099).

Almost surely, 2^57008197 is an apocalyptic number.

It is an amenable number.

57008197 is a deficient number, since it is larger than the sum of its proper divisors (1).

57008197 is an equidigital number, since it uses as much as digits as its factorization.

57008197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 57008197 is about 7550.3772753419. The cubic root of 57008197 is about 384.8685602924.

The spelling of 57008197 in words is "fifty-seven million, eight thousand, one hundred ninety-seven".