56067785 has 8 divisors (see below), whose sum is σ = 71239176. Its totient is φ = 42215680.

The previous prime is 56067779. The next prime is 56067793. The reversal of 56067785 is 58776065.

It can be written as a sum of positive squares in 4 ways, for example, as 5031049 + 51036736 = 2243^2 + 7144^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56067785 - 2⁴ = 56067769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329726 + ... + 329895.

It is an arithmetic number, because the mean of its divisors is an integer number (8904897).

Almost surely, 2^56067785 is an apocalyptic number.

It is an amenable number.

56067785 is a deficient number, since it is larger than the sum of its proper divisors (15171391).

56067785 is a wasteful number, since it uses less digits than its factorization.

56067785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659643.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 56067785 is about 7487.8424796466. The cubic root of 56067785 is about 382.7405410267.

The spelling of 56067785 in words is "fifty-six million, sixty-seven thousand, seven hundred eighty-five".