57686236 has 24 divisors (see below), whose sum is σ = 108649296. Its totient is φ = 26699520.

The previous prime is 57686203. The next prime is 57686267. The reversal of 57686236 is 63268675.

57686236 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

57686236 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 57686192 and 57686201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (4527054).

Almost surely, 2^57686236 is an apocalyptic number.

It is an amenable number.

57686236 is a deficient number, since it is larger than the sum of its proper divisors (50963060).

57686236 is a wasteful number, since it uses less digits than its factorization.

57686236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989 (or 13987 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 57686236 is about 7595.1455548923. The cubic root of 57686236 is about 386.3883890880.

The spelling of 57686236 in words is "fifty-seven million, six hundred eighty-six thousand, two hundred thirty-six".