57238513 has 8 divisors (see below), whose sum is σ = 60126336. Its totient is φ = 54384000.

The previous prime is 57238487. The next prime is 57238523. The reversal of 57238513 is 31583275.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57238513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57238523) 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, 4768 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (7515792).

Almost surely, 2^57238513 is an apocalyptic number.

It is an amenable number.

57238513 is a deficient number, since it is larger than the sum of its proper divisors (2887823).

57238513 is a wasteful number, since it uses less digits than its factorization.

57238513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16655.

The product of its digits is 25200, while the sum is 34.

The square root of 57238513 is about 7565.6138548039. The cubic root of 57238513 is about 385.3861600255.

The spelling of 57238513 in words is "fifty-seven million, two hundred thirty-eight thousand, five hundred thirteen".