57666236 has 6 divisors (see below), whose sum is σ = 100915920. Its totient is φ = 28833116.

The previous prime is 57666233. The next prime is 57666241. The reversal of 57666236 is 63266675.

It is a junction number, because it is equal to n+sod(n) for n = 57666193 and 57666202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57666233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7208276 + ... + 7208283.

It is an arithmetic number, because the mean of its divisors is an integer number (16819320).

Almost surely, 2^57666236 is an apocalyptic number.

It is an amenable number.

57666236 is a deficient number, since it is larger than the sum of its proper divisors (43249684).

57666236 is a wasteful number, since it uses less digits than its factorization.

57666236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14416563 (or 14416561 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 57666236 is about 7593.8288102906. The cubic root of 57666236 is about 386.3437299019.

The spelling of 57666236 in words is "fifty-seven million, six hundred sixty-six thousand, two hundred thirty-six".