57147214 has 8 divisors (see below), whose sum is σ = 86569848. Its totient is φ = 28290600.

The previous prime is 57147199. The next prime is 57147239. The reversal of 57147214 is 41274175.

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

It is a congruent number.

It is an unprimeable number.

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, 141252 + ... + 141655.

It is an arithmetic number, because the mean of its divisors is an integer number (10821231).

Almost surely, 2^57147214 is an apocalyptic number.

57147214 is a deficient number, since it is larger than the sum of its proper divisors (29422634).

57147214 is a wasteful number, since it uses less digits than its factorization.

57147214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283010.

The product of its digits is 7840, while the sum is 31.

The square root of 57147214 is about 7559.5776337041. The cubic root of 57147214 is about 385.1811459921.

The spelling of 57147214 in words is "fifty-seven million, one hundred forty-seven thousand, two hundred fourteen".