56735143 has 2 divisors, whose sum is σ = 56735144. Its totient is φ = 56735142.

The previous prime is 56735141. The next prime is 56735201. The reversal of 56735143 is 34153765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56735143 - 2¹ = 56735141 is a prime.

Together with 56735141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 56735099 and 56735108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56735141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28367571 + 28367572.

It is an arithmetic number, because the mean of its divisors is an integer number (28367572).

Almost surely, 2^56735143 is an apocalyptic number.

56735143 is a deficient number, since it is larger than the sum of its proper divisors (1).

56735143 is an equidigital number, since it uses as much as digits as its factorization.

56735143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 56735143 is about 7532.2734283880. The cubic root of 56735143 is about 384.2531041682.

It can be divided in two parts, 5673 and 5143, that added together give a square (10816 = 104²).

The spelling of 56735143 in words is "fifty-six million, seven hundred thirty-five thousand, one hundred forty-three".