56638312 has 16 divisors (see below), whose sum is σ = 107138340. Its totient is φ = 28068096.

The previous prime is 56638301. The next prime is 56638331. The reversal of 56638312 is 21383665.

It can be written as a sum of positive squares in 2 ways, for example, as 46049796 + 10588516 = 6786^2 + 3254^2 .

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, 30423 + ... + 32230.

Almost surely, 2^56638312 is an apocalyptic number.

It is an amenable number.

56638312 is a deficient number, since it is larger than the sum of its proper divisors (50500028).

56638312 is a wasteful number, since it uses less digits than its factorization.

56638312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62772 (or 62768 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 56638312 is about 7525.8429428204. The cubic root of 56638312 is about 384.0343755395.

The spelling of 56638312 in words is "fifty-six million, six hundred thirty-eight thousand, three hundred twelve".