56683549 has 4 divisors (see below), whose sum is σ = 61043836. Its totient is φ = 52323264.

The previous prime is 56683513. The next prime is 56683567. The reversal of 56683549 is 94538665.

56683549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38663524 + 18020025 = 6218^2 + 4245^2 .

It is a cyclic number.

It is not a de Polignac number, because 56683549 - 2⁹ = 56683037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56683499 and 56683508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56683849) 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 in 3 ways as a sum of consecutive naturals, for example, 2180124 + ... + 2180149.

It is an arithmetic number, because the mean of its divisors is an integer number (15260959).

Almost surely, 2^56683549 is an apocalyptic number.

It is an amenable number.

56683549 is a deficient number, since it is larger than the sum of its proper divisors (4360287).

56683549 is a wasteful number, since it uses less digits than its factorization.

56683549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360286.

The product of its digits is 777600, while the sum is 46.

The square root of 56683549 is about 7528.8477870123. The cubic root of 56683549 is about 384.1365910384.

The spelling of 56683549 in words is "fifty-six million, six hundred eighty-three thousand, five hundred forty-nine".