57055044312 has 192 divisors, whose sum is σ = 178203617280. Its totient is φ = 16153986816.

The previous prime is 57055044281. The next prime is 57055044313. The reversal of 57055044312 is 21344055075.

57055044312 is a `hidden beast` number, since 5 + 70 + 550 + 4 + 4 + 31 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57055044313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31998573 + ... + 32000355.

It is an arithmetic number, because the mean of its divisors is an integer number (928143840).

Almost surely, 2^57055044312 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 57055044312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89101808640).

57055044312 is an abundant number, since it is smaller than the sum of its proper divisors (121148572968).

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

57055044312 is a wasteful number, since it uses less digits than its factorization.

57055044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

Adding to 57055044312 its reverse (21344055075), we get a palindrome (78399099387).

The spelling of 57055044312 in words is "fifty-seven billion, fifty-five million, forty-four thousand, three hundred twelve".