57616212 has 12 divisors (see below), whose sum is σ = 134437856. Its totient is φ = 19205400.

The previous prime is 57616159. The next prime is 57616231. The reversal of 57616212 is 21261675.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 57616212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400664 + ... + 2400687.

Almost surely, 2^57616212 is an apocalyptic number.

It is an amenable number.

57616212 is an abundant number, since it is smaller than the sum of its proper divisors (76821644).

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

57616212 is a wasteful number, since it uses less digits than its factorization.

57616212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801358 (or 4801356 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 57616212 is about 7590.5343685409. The cubic root of 57616212 is about 386.2319831145.

Adding to 57616212 its reverse (21261675), we get a palindrome (78877887).

The spelling of 57616212 in words is "fifty-seven million, six hundred sixteen thousand, two hundred twelve".