57706212 has 24 divisors (see below), whose sum is σ = 134878912. Its totient is φ = 19202400.

The previous prime is 57706193. The next prime is 57706213. The reversal of 57706212 is 21260775.

It is a self number, because there is not a number n which added to its sum of digits gives 57706212.

It is not an unprimeable number, because it can be changed into a prime (57706213) 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, 3762 + ... + 11382.

Almost surely, 2^57706212 is an apocalyptic number.

It is an amenable number.

57706212 is an abundant number, since it is smaller than the sum of its proper divisors (77172700).

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

57706212 is a wasteful number, since it uses less digits than its factorization.

57706212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 57706212 is about 7596.4604915711. The cubic root of 57706212 is about 386.4329843804.

Adding to 57706212 its reverse (21260775), we get a palindrome (78966987).

The spelling of 57706212 in words is "fifty-seven million, seven hundred six thousand, two hundred twelve".