57811996 has 24 divisors (see below), whose sum is σ = 111469680. Its totient is φ = 26016000.

The previous prime is 57811981. The next prime is 57812017. The reversal of 57811996 is 69911875.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2061 + ... + 10948.

It is an arithmetic number, because the mean of its divisors is an integer number (4644570).

Almost surely, 2^57811996 is an apocalyptic number.

It is an amenable number.

57811996 is a deficient number, since it is larger than the sum of its proper divisors (53657684).

57811996 is a wasteful number, since it uses less digits than its factorization.

57811996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125 (or 13123 counting only the distinct ones).

The product of its digits is 136080, while the sum is 46.

The square root of 57811996 is about 7603.4200199647. The cubic root of 57811996 is about 386.6689697974.

It can be divided in two parts, 5781 and 1996, that added together give a palindrome (7777).

The spelling of 57811996 in words is "fifty-seven million, eight hundred eleven thousand, nine hundred ninety-six".