57141312 has 56 divisors (see below), whose sum is σ = 151790400. Its totient is φ = 18971136.

The previous prime is 57141311. The next prime is 57141319. The reversal of 57141312 is 21314175.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (57141311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68514 + ... + 69342.

Almost surely, 2^57141312 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 57141312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75895200).

57141312 is an abundant number, since it is smaller than the sum of its proper divisors (94649088).

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

57141312 is a wasteful number, since it uses less digits than its factorization.

57141312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1193 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 57141312 is about 7559.1872579002. The cubic root of 57141312 is about 385.1678854017.

Adding to 57141312 its reverse (21314175), we get a palindrome (78455487).

The spelling of 57141312 in words is "fifty-seven million, one hundred forty-one thousand, three hundred twelve".