57214305 has 12 divisors (see below), whose sum is σ = 99171540. Its totient is φ = 30514272.

The previous prime is 57214277. The next prime is 57214309. The reversal of 57214305 is 50341275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 30835809 = 5136^2 + 5553^2 .

It is not a de Polignac number, because 57214305 - 2⁸ = 57214049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57214309) 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 11 ways as a sum of consecutive naturals, for example, 635670 + ... + 635759.

It is an arithmetic number, because the mean of its divisors is an integer number (8264295).

Almost surely, 2^57214305 is an apocalyptic number.

It is an amenable number.

57214305 is a deficient number, since it is larger than the sum of its proper divisors (41957235).

57214305 is a wasteful number, since it uses less digits than its factorization.

57214305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271440 (or 1271437 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57214305 is about 7564.0138154289. The cubic root of 57214305 is about 385.3318216484.

The spelling of 57214305 in words is "fifty-seven million, two hundred fourteen thousand, three hundred five".