57342312 has 96 divisors (see below), whose sum is σ = 167431680. Its totient is φ = 17677440.

The previous prime is 57342301. The next prime is 57342317. The reversal of 57342312 is 21324375.

57342312 is a `hidden beast` number, since 5 + 7 + 342 + 312 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57342317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50778 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (1744080).

Almost surely, 2^57342312 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 57342312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83715840).

57342312 is an abundant number, since it is smaller than the sum of its proper divisors (110089368).

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

57342312 is a wasteful number, since it uses less digits than its factorization.

57342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1176 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 57342312 is about 7572.4706668299. The cubic root of 57342312 is about 385.6189784510.

Adding to 57342312 its reverse (21324375), we get a palindrome (78666687).

The spelling of 57342312 in words is "fifty-seven million, three hundred forty-two thousand, three hundred twelve".