57810061 has 2 divisors, whose sum is σ = 57810062. Its totient is φ = 57810060.

The previous prime is 57810059. The next prime is 57810083. The reversal of 57810061 is 16001875.

It is a happy number.

57810061 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., 54316900 + 3493161 = 7370^2 + 1869^2 .

It is a cyclic number.

It is not a de Polignac number, because 57810061 - 2¹ = 57810059 is a prime.

Together with 57810059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57810001) 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, 28905030 + 28905031.

It is an arithmetic number, because the mean of its divisors is an integer number (28905031).

Almost surely, 2^57810061 is an apocalyptic number.

It is an amenable number.

57810061 is a deficient number, since it is larger than the sum of its proper divisors (1).

57810061 is an equidigital number, since it uses as much as digits as its factorization.

57810061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 57810061 is about 7603.2927735291. The cubic root of 57810061 is about 386.6646557400.

The spelling of 57810061 in words is "fifty-seven million, eight hundred ten thousand, sixty-one".