56731316 has 6 divisors (see below), whose sum is σ = 99279810. Its totient is φ = 28365656.

The previous prime is 56731307. The next prime is 56731349. The reversal of 56731316 is 61313765.

56731316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 26481316 = 5500^2 + 5146^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7091411 + ... + 7091418.

It is an arithmetic number, because the mean of its divisors is an integer number (16546635).

Almost surely, 2^56731316 is an apocalyptic number.

It is an amenable number.

56731316 is a deficient number, since it is larger than the sum of its proper divisors (42548494).

56731316 is a wasteful number, since it uses less digits than its factorization.

56731316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14182833 (or 14182831 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 56731316 is about 7532.0193839368. The cubic root of 56731316 is about 384.2444641988.

The spelling of 56731316 in words is "fifty-six million, seven hundred thirty-one thousand, three hundred sixteen".