57681956 has 12 divisors (see below), whose sum is σ = 101020080. Its totient is φ = 28819080.

The previous prime is 57681937. The next prime is 57681959. The reversal of 57681956 is 65918675.

57681956 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

57681956 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 57681956.

It is not an unprimeable number, because it can be changed into a prime (57681959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (8418340).

Almost surely, 2^57681956 is an apocalyptic number.

It is an amenable number.

57681956 is a deficient number, since it is larger than the sum of its proper divisors (43338124).

57681956 is a wasteful number, since it uses less digits than its factorization.

57681956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954 (or 10952 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 57681956 is about 7594.8637907470. The cubic root of 57681956 is about 386.3788328904.

The spelling of 57681956 in words is "fifty-seven million, six hundred eighty-one thousand, nine hundred fifty-six".