57212798 has 8 divisors (see below), whose sum is σ = 85851360. Its totient is φ = 28595680.

The previous prime is 57212797. The next prime is 57212821. The reversal of 57212798 is 89721275.

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 (57212797) 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, 7163 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (10731420).

Almost surely, 2^57212798 is an apocalyptic number.

57212798 is a deficient number, since it is larger than the sum of its proper divisors (28638562).

57212798 is a wasteful number, since it uses less digits than its factorization.

57212798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722.

The product of its digits is 70560, while the sum is 41.

The square root of 57212798 is about 7563.9141983500. The cubic root of 57212798 is about 385.3284384609.

The spelling of 57212798 in words is "fifty-seven million, two hundred twelve thousand, seven hundred ninety-eight".