57208943 has 8 divisors (see below), whose sum is σ = 65694720. Its totient is φ = 49270680.

The previous prime is 57208939. The next prime is 57208979. The reversal of 57208943 is 34980275.

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

It is a cyclic number.

It is not a de Polignac number, because 57208943 - 2² = 57208939 is a prime.

It is a Duffinian number.

57208943 is a modest number, since divided by 8943 gives 572 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 57208897 and 57208906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57208903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136655 + ... + 137072.

It is an arithmetic number, because the mean of its divisors is an integer number (8211840).

Almost surely, 2^57208943 is an apocalyptic number.

57208943 is a deficient number, since it is larger than the sum of its proper divisors (8485777).

57208943 is a wasteful number, since it uses less digits than its factorization.

57208943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273757.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 57208943 is about 7563.6593656774. The cubic root of 57208943 is about 385.3197837861.

The spelling of 57208943 in words is "fifty-seven million, two hundred eight thousand, nine hundred forty-three".