56705943 has 16 divisors (see below), whose sum is σ = 86535680. Its totient is φ = 32355936.

The previous prime is 56705939. The next prime is 56705951. The reversal of 56705943 is 34950765.

56705943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56705943 - 2² = 56705939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56705543) 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 15 ways as a sum of consecutive naturals, for example, 16878 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (5408480).

Almost surely, 2^56705943 is an apocalyptic number.

56705943 is a deficient number, since it is larger than the sum of its proper divisors (29829737).

56705943 is a wasteful number, since it uses less digits than its factorization.

56705943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 56705943 is about 7530.3348531124. The cubic root of 56705943 is about 384.1871713941.

The spelling of 56705943 in words is "fifty-six million, seven hundred five thousand, nine hundred forty-three".