57212814 has 8 divisors (see below), whose sum is σ = 114425640. Its totient is φ = 19070936.

The previous prime is 57212797. The next prime is 57212821. The reversal of 57212814 is 41821275.

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

57212814 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767729 + ... + 4767740.

It is an arithmetic number, because the mean of its divisors is an integer number (14303205).

Almost surely, 2^57212814 is an apocalyptic number.

57212814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57212814 is a wasteful number, since it uses less digits than its factorization.

57212814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535474.

The product of its digits is 4480, while the sum is 30.

The square root of 57212814 is about 7563.9152560033. The cubic root of 57212814 is about 385.3284743810.

The spelling of 57212814 in words is "fifty-seven million, two hundred twelve thousand, eight hundred fourteen".