57116089 has 2 divisors, whose sum is σ = 57116090. Its totient is φ = 57116088.

The previous prime is 57116063. The next prime is 57116117. The reversal of 57116089 is 98061175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39476089 + 17640000 = 6283^2 + 4200^2 .

It is a cyclic number.

It is not a de Polignac number, because 57116089 - 2¹¹ = 57114041 is a prime.

It is not a weakly prime, because it can be changed into another prime (57116009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28558044 + 28558045.

It is an arithmetic number, because the mean of its divisors is an integer number (28558045).

Almost surely, 2^57116089 is an apocalyptic number.

It is an amenable number.

57116089 is a deficient number, since it is larger than the sum of its proper divisors (1).

57116089 is an equidigital number, since it uses as much as digits as its factorization.

57116089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 57116089 is about 7557.5187065597. The cubic root of 57116089 is about 385.1112041726. Note that the first 3 decimals are identical.

It can be divided in two parts, 571 and 16089, that multiplied together give a palindrome (9186819).

The spelling of 57116089 in words is "fifty-seven million, one hundred sixteen thousand, eighty-nine".