57208443 has 4 divisors (see below), whose sum is σ = 76277928. Its totient is φ = 38138960.

The previous prime is 57208441. The next prime is 57208453. The reversal of 57208443 is 34480275.

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

It is a cyclic number.

It is not a de Polignac number, because 57208443 - 2¹ = 57208441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57208441) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9534738 + ... + 9534743.

It is an arithmetic number, because the mean of its divisors is an integer number (19069482).

Almost surely, 2^57208443 is an apocalyptic number.

57208443 is a deficient number, since it is larger than the sum of its proper divisors (19069485).

57208443 is a wasteful number, since it uses less digits than its factorization.

57208443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19069484.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 57208443 is about 7563.6263128211. The cubic root of 57208443 is about 385.3186612317.

The spelling of 57208443 in words is "fifty-seven million, two hundred eight thousand, four hundred forty-three".