57724243 has 8 divisors (see below), whose sum is σ = 59367600. Its totient is φ = 56103168.

The previous prime is 57724241. The next prime is 57724267. The reversal of 57724243 is 34242775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57724243 - 2¹ = 57724241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57724199 and 57724208.

It is not an unprimeable number, because it can be changed into a prime (57724241) 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, 246 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (7420950).

Almost surely, 2^57724243 is an apocalyptic number.

57724243 is a deficient number, since it is larger than the sum of its proper divisors (1643357).

57724243 is a wasteful number, since it uses less digits than its factorization.

57724243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141.

The product of its digits is 47040, while the sum is 34.

The square root of 57724243 is about 7597.6472016013. The cubic root of 57724243 is about 386.4732287337.

The spelling of 57724243 in words is "fifty-seven million, seven hundred twenty-four thousand, two hundred forty-three".