56837812 has 6 divisors (see below), whose sum is σ = 99466178. Its totient is φ = 28418904.

The previous prime is 56837779. The next prime is 56837813. The reversal of 56837812 is 21873865.

56837812 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., 56640676 + 197136 = 7526^2 + 444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56837813) by changing a digit.

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, 7104723 + ... + 7104730.

Almost surely, 2^56837812 is an apocalyptic number.

It is an amenable number.

56837812 is a deficient number, since it is larger than the sum of its proper divisors (42628366).

56837812 is a wasteful number, since it uses less digits than its factorization.

56837812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209457 (or 14209455 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 56837812 is about 7539.0856209490. The cubic root of 56837812 is about 384.4847484175.

The spelling of 56837812 in words is "fifty-six million, eight hundred thirty-seven thousand, eight hundred twelve".