57381706 has 16 divisors (see below), whose sum is σ = 87004008. Its totient is φ = 28382400.

The previous prime is 57381671. The next prime is 57381707. The reversal of 57381706 is 60718375.

It can be written as a sum of positive squares in 4 ways, for example, as 43758225 + 13623481 = 6615^2 + 3691^2 .

It is not an unprimeable number, because it can be changed into a prime (57381707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105796 + ... + 106336.

Almost surely, 2^57381706 is an apocalyptic number.

57381706 is a deficient number, since it is larger than the sum of its proper divisors (29622302).

57381706 is a wasteful number, since it uses less digits than its factorization.

57381706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 57381706 is about 7575.0713527993. The cubic root of 57381706 is about 385.7072646054.

The spelling of 57381706 in words is "fifty-seven million, three hundred eighty-one thousand, seven hundred six".