57741493 has 4 divisors (see below), whose sum is σ = 57868300. Its totient is φ = 57614688.

The previous prime is 57741457. The next prime is 57741511. The reversal of 57741493 is 39414775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54508689 + 3232804 = 7383^2 + 1798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57741493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57741443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62718 + ... + 63631.

It is an arithmetic number, because the mean of its divisors is an integer number (14467075).

Almost surely, 2^57741493 is an apocalyptic number.

It is an amenable number.

57741493 is a deficient number, since it is larger than the sum of its proper divisors (126807).

57741493 is a wasteful number, since it uses less digits than its factorization.

57741493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126806.

The product of its digits is 105840, while the sum is 40.

The square root of 57741493 is about 7598.7823366642. The cubic root of 57741493 is about 386.5117220881.

The spelling of 57741493 in words is "fifty-seven million, seven hundred forty-one thousand, four hundred ninety-three".