57183966 has 48 divisors (see below), whose sum is σ = 143561184. Its totient is φ = 16111872.

The previous prime is 57183949. The next prime is 57183991. The reversal of 57183966 is 66938175.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6090 + ... + 12306.

It is an arithmetic number, because the mean of its divisors is an integer number (2990858).

Almost surely, 2^57183966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57183966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71780592).

57183966 is an abundant number, since it is smaller than the sum of its proper divisors (86377218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57183966 is a wasteful number, since it uses less digits than its factorization.

57183966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305 (or 6302 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 57183966 is about 7562.0080666447. The cubic root of 57183966 is about 385.2636997039.

The spelling of 57183966 in words is "fifty-seven million, one hundred eighty-three thousand, nine hundred sixty-six".