57235997218 has 8 divisors (see below), whose sum is σ = 86078158848. Its totient is φ = 28543277604.

The previous prime is 57235997167. The next prime is 57235997249. The reversal of 57235997218 is 81279953275.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37359546 + ... + 37361077.

It is an arithmetic number, because the mean of its divisors is an integer number (10759769856).

Almost surely, 2^57235997218 is an apocalyptic number.

57235997218 is a deficient number, since it is larger than the sum of its proper divisors (28842161630).

57235997218 is a wasteful number, since it uses less digits than its factorization.

57235997218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74721008.

The product of its digits is 9525600, while the sum is 58.

The spelling of 57235997218 in words is "fifty-seven billion, two hundred thirty-five million, nine hundred ninety-seven thousand, two hundred eighteen".