56705543 has 2 divisors, whose sum is σ = 56705544. Its totient is φ = 56705542.

The previous prime is 56705531. The next prime is 56705569. The reversal of 56705543 is 34550765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56705543 - 2⁸ = 56705287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56705513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28352771 + 28352772.

It is an arithmetic number, because the mean of its divisors is an integer number (28352772).

Almost surely, 2^56705543 is an apocalyptic number.

56705543 is a deficient number, since it is larger than the sum of its proper divisors (1).

56705543 is an equidigital number, since it uses as much as digits as its factorization.

56705543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 56705543 is about 7530.3082938217. The cubic root of 56705543 is about 384.1862680483.

The spelling of 56705543 in words is "fifty-six million, seven hundred five thousand, five hundred forty-three".