57731741 has 4 divisors (see below), whose sum is σ = 58261500. Its totient is φ = 57201984.

The previous prime is 57731693. The next prime is 57731753. The reversal of 57731741 is 14713775.

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 18619225 + 39112516 = 4315^2 + 6254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57731741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57731761) 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, 264716 + ... + 264933.

It is an arithmetic number, because the mean of its divisors is an integer number (14565375).

Almost surely, 2^57731741 is an apocalyptic number.

It is an amenable number.

57731741 is a deficient number, since it is larger than the sum of its proper divisors (529759).

57731741 is a wasteful number, since it uses less digits than its factorization.

57731741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529758.

The product of its digits is 20580, while the sum is 35.

The square root of 57731741 is about 7598.1406278115. The cubic root of 57731741 is about 386.4899614538.

The spelling of 57731741 in words is "fifty-seven million, seven hundred thirty-one thousand, seven hundred forty-one".