56841943 has 4 divisors (see below), whose sum is σ = 58802040. Its totient is φ = 54881848.

The previous prime is 56841893. The next prime is 56841973. The reversal of 56841943 is 34914865.

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 56841943 - 2⁹ = 56841431 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56841896 and 56841905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56841973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980005 + ... + 980062.

It is an arithmetic number, because the mean of its divisors is an integer number (14700510).

Almost surely, 2^56841943 is an apocalyptic number.

56841943 is a deficient number, since it is larger than the sum of its proper divisors (1960097).

56841943 is a wasteful number, since it uses less digits than its factorization.

56841943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960096.

The product of its digits is 103680, while the sum is 40.

The square root of 56841943 is about 7539.3595881878. The cubic root of 56841943 is about 384.4940630384.

The spelling of 56841943 in words is "fifty-six million, eight hundred forty-one thousand, nine hundred forty-three".