56566143 has 12 divisors (see below), whose sum is σ = 82001088. Its totient is φ = 37574880.

The previous prime is 56566117. The next prime is 56566151. The reversal of 56566143 is 34166565.

56566143 is a `hidden beast` number, since 56 + 566 + 1 + 43 = 666.

It is not a de Polignac number, because 56566143 - 2¹³ = 56557951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56566098 and 56566107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566163) 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 11 ways as a sum of consecutive naturals, for example, 8655 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (6833424).

Almost surely, 2^56566143 is an apocalyptic number.

56566143 is a deficient number, since it is larger than the sum of its proper divisors (25434945).

56566143 is a wasteful number, since it uses less digits than its factorization.

56566143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22654 (or 22651 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 56566143 is about 7521.0466691811. The cubic root of 56566143 is about 383.8711929638.

The spelling of 56566143 in words is "fifty-six million, five hundred sixty-six thousand, one hundred forty-three".