56943583 has 4 divisors (see below), whose sum is σ = 56964960. Its totient is φ = 56922208.

The previous prime is 56943563. The next prime is 56943587. The reversal of 56943583 is 38534965.

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 56943583 - 2⁹ = 56943071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56943587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (14241240).

Almost surely, 2^56943583 is an apocalyptic number.

56943583 is a deficient number, since it is larger than the sum of its proper divisors (21377).

56943583 is a wasteful number, since it uses less digits than its factorization.

56943583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376.

The product of its digits is 388800, while the sum is 43.

The square root of 56943583 is about 7546.0972031905. The cubic root of 56943583 is about 384.7230999340.

The spelling of 56943583 in words is "fifty-six million, nine hundred forty-three thousand, five hundred eighty-three".