57740458 has 4 divisors (see below), whose sum is σ = 86610690. Its totient is φ = 28870228.

The previous prime is 57740407. The next prime is 57740489. The reversal of 57740458 is 85404775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 6517809 = 7157^2 + 2553^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 57740458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14435113 + ... + 14435116.

Almost surely, 2^57740458 is an apocalyptic number.

57740458 is a deficient number, since it is larger than the sum of its proper divisors (28870232).

57740458 is a wasteful number, since it uses less digits than its factorization.

57740458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28870231.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 57740458 is about 7598.7142333424. The cubic root of 57740458 is about 386.5094127030.

The spelling of 57740458 in words is "fifty-seven million, seven hundred forty thousand, four hundred fifty-eight".