57188906192 has 80 divisors (see below), whose sum is σ = 126806705280. Its totient is φ = 24744921600.

The previous prime is 57188906191. The next prime is 57188906267. The reversal of 57188906192 is 29160988175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57188906191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283478 + ... + 441290.

It is an arithmetic number, because the mean of its divisors is an integer number (1585083816).

Almost surely, 2^57188906192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57188906192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63403352640).

57188906192 is an abundant number, since it is smaller than the sum of its proper divisors (69617799088).

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

57188906192 is a wasteful number, since it uses less digits than its factorization.

57188906192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157932 (or 157926 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 57188906192 in words is "fifty-seven billion, one hundred eighty-eight million, nine hundred six thousand, one hundred ninety-two".