57238236518 has 8 divisors (see below), whose sum is σ = 87312564360. Its totient is φ = 28134048400.

The previous prime is 57238236511. The next prime is 57238236553. The reversal of 57238236518 is 81563283275.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57238236511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242534783 + ... + 242535018.

It is an arithmetic number, because the mean of its divisors is an integer number (10914070545).

Almost surely, 2^57238236518 is an apocalyptic number.

57238236518 is a deficient number, since it is larger than the sum of its proper divisors (30074327842).

57238236518 is a wasteful number, since it uses less digits than its factorization.

57238236518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485069862.

The product of its digits is 2419200, while the sum is 50.

The spelling of 57238236518 in words is "fifty-seven billion, two hundred thirty-eight million, two hundred thirty-six thousand, five hundred eighteen".