57613312 has 22 divisors (see below), whose sum is σ = 115172408. Its totient is φ = 28806144.

The previous prime is 57613307. The next prime is 57613313. The reversal of 57613312 is 21331675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57613313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27108 + ... + 29155.

Almost surely, 2^57613312 is an apocalyptic number.

It is an amenable number.

57613312 is a deficient number, since it is larger than the sum of its proper divisors (57559096).

57613312 is an equidigital number, since it uses as much as digits as its factorization.

57613312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56283 (or 56265 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 57613312 is about 7590.3433387430. The cubic root of 57613312 is about 386.2255029272.

Adding to 57613312 its reverse (21331675), we get a palindrome (78944987).

The spelling of 57613312 in words is "fifty-seven million, six hundred thirteen thousand, three hundred twelve".