57105214 has 4 divisors (see below), whose sum is σ = 85657824. Its totient is φ = 28552606.

The previous prime is 57105197. The next prime is 57105233. The reversal of 57105214 is 41250175.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×57105214² = 6522010931971592, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 14276302 + ... + 14276305.

It is an arithmetic number, because the mean of its divisors is an integer number (21414456).

Almost surely, 2^57105214 is an apocalyptic number.

57105214 is a deficient number, since it is larger than the sum of its proper divisors (28552610).

57105214 is a wasteful number, since it uses less digits than its factorization.

57105214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552609.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 57105214 is about 7556.7991901333. The cubic root of 57105214 is about 385.0867606796.

Adding to 57105214 its reverse (41250175), we get a palindrome (98355389).

The spelling of 57105214 in words is "fifty-seven million, one hundred five thousand, two hundred fourteen".