57085803 has 14 divisors (see below), whose sum is σ = 85590644. Its totient is φ = 38056716.

The previous prime is 57085799. The next prime is 57085829. The reversal of 57085803 is 30858075.

It is a happy number.

57085803 is a `hidden beast` number, since 5 + 70 + 8 + 580 + 3 = 666.

It is not a de Polignac number, because 57085803 - 2² = 57085799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57085003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 38425 + ... + 39882.

Almost surely, 2^57085803 is an apocalyptic number.

57085803 is a deficient number, since it is larger than the sum of its proper divisors (28504841).

57085803 is an frugal number, since it uses more digits than its factorization.

57085803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78325 (or 78310 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 57085803 is about 7555.5147409028. The cubic root of 57085803 is about 385.0431232969.

It can be divided in two parts, 5708 and 5803, that added together give a palindrome (11511).

The spelling of 57085803 in words is "fifty-seven million, eighty-five thousand, eight hundred three".