56781083 has 4 divisors (see below), whose sum is σ = 57189720. Its totient is φ = 56372448.

The previous prime is 56781077. The next prime is 56781107. The reversal of 56781083 is 38018765.

56781083 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 is a cyclic number.

It is not a de Polignac number, because 56781083 - 2⁶ = 56781019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56781383) 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, 204110 + ... + 204387.

It is an arithmetic number, because the mean of its divisors is an integer number (14297430).

Almost surely, 2^56781083 is an apocalyptic number.

56781083 is a deficient number, since it is larger than the sum of its proper divisors (408637).

56781083 is a wasteful number, since it uses less digits than its factorization.

56781083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408636.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 56781083 is about 7535.3223554139. The cubic root of 56781083 is about 384.3567896103.

The spelling of 56781083 in words is "fifty-six million, seven hundred eighty-one thousand, eighty-three".