57743431 has 4 divisors (see below), whose sum is σ = 58066200. Its totient is φ = 57420664.

The previous prime is 57743419. The next prime is 57743459. The reversal of 57743431 is 13434775.

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

It is a cyclic number.

It is not a de Polignac number, because 57743431 - 2¹³ = 57735239 is a prime.

It is a super-2 number, since 2×57743431² = 6668607647303522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57743461) 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, 161116 + ... + 161473.

It is an arithmetic number, because the mean of its divisors is an integer number (14516550).

Almost surely, 2^57743431 is an apocalyptic number.

57743431 is a deficient number, since it is larger than the sum of its proper divisors (322769).

57743431 is a wasteful number, since it uses less digits than its factorization.

57743431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322768.

The product of its digits is 35280, while the sum is 34.

The square root of 57743431 is about 7598.9098560254. The cubic root of 57743431 is about 386.5160462537.

The spelling of 57743431 in words is "fifty-seven million, seven hundred forty-three thousand, four hundred thirty-one".