57031706 has 8 divisors (see below), whose sum is σ = 86950164. Its totient is φ = 28048320.

The previous prime is 57031627. The next prime is 57031721. The reversal of 57031706 is 60713075.

57031706 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 2 ways, for example, as 37149025 + 19882681 = 6095^2 + 4459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 233615 + ... + 233858.

Almost surely, 2^57031706 is an apocalyptic number.

57031706 is a deficient number, since it is larger than the sum of its proper divisors (29918458).

57031706 is a wasteful number, since it uses less digits than its factorization.

57031706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467536.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 57031706 is about 7551.9339244991. The cubic root of 57031706 is about 384.9214569636.

The spelling of 57031706 in words is "fifty-seven million, thirty-one thousand, seven hundred six".