56236143 has 8 divisors (see below), whose sum is σ = 78928000. Its totient is φ = 35517528.

The previous prime is 56236123. The next prime is 56236199. The reversal of 56236143 is 34163265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56236143 - 2⁶ = 56236079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56236143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56236123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493243 + ... + 493356.

It is an arithmetic number, because the mean of its divisors is an integer number (9866000).

Almost surely, 2^56236143 is an apocalyptic number.

56236143 is a deficient number, since it is larger than the sum of its proper divisors (22691857).

56236143 is a wasteful number, since it uses less digits than its factorization.

56236143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986621.

The product of its digits is 12960, while the sum is 30.

The square root of 56236143 is about 7499.0761430992. The cubic root of 56236143 is about 383.1232506504.

The spelling of 56236143 in words is "fifty-six million, two hundred thirty-six thousand, one hundred forty-three".