57214849 has 4 divisors (see below), whose sum is σ = 57384964. Its totient is φ = 57044736.

The previous prime is 57214831. The next prime is 57214891. The reversal of 57214849 is 94841275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32890225 + 24324624 = 5735^2 + 4932^2 .

It is a cyclic number.

It is not a de Polignac number, because 57214849 - 2¹³ = 57206657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57214049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84552 + ... + 85225.

It is an arithmetic number, because the mean of its divisors is an integer number (14346241).

Almost surely, 2^57214849 is an apocalyptic number.

It is an amenable number.

57214849 is a deficient number, since it is larger than the sum of its proper divisors (170115).

57214849 is a wasteful number, since it uses less digits than its factorization.

57214849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170114.

The product of its digits is 80640, while the sum is 40.

The square root of 57214849 is about 7564.0497750874. The cubic root of 57214849 is about 385.3330429038. Note that the first 3 decimals are identical.

The spelling of 57214849 in words is "fifty-seven million, two hundred fourteen thousand, eight hundred forty-nine".