57061705 has 16 divisors (see below), whose sum is σ = 71583120. Its totient is φ = 43610112.

The previous prime is 57061699. The next prime is 57061717. The reversal of 57061705 is 50716075.

57061705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 345744 + 56715961 = 588^2 + 7531^2 .

It is a cyclic number.

It is not a de Polignac number, because 57061705 - 2⁷ = 57061577 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 12037 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (4473945).

Almost surely, 2^57061705 is an apocalyptic number.

It is an amenable number.

57061705 is a deficient number, since it is larger than the sum of its proper divisors (14521415).

57061705 is a wasteful number, since it uses less digits than its factorization.

57061705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 57061705 is about 7553.9198433661. The cubic root of 57061705 is about 384.9889354216.

The spelling of 57061705 in words is "fifty-seven million, sixty-one thousand, seven hundred five".