56743859 has 2 divisors, whose sum is σ = 56743860. Its totient is φ = 56743858.

The previous prime is 56743853. The next prime is 56743873. The reversal of 56743859 is 95834765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56743859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56743853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28371929 + 28371930.

It is an arithmetic number, because the mean of its divisors is an integer number (28371930).

Almost surely, 2^56743859 is an apocalyptic number.

56743859 is a deficient number, since it is larger than the sum of its proper divisors (1).

56743859 is an equidigital number, since it uses as much as digits as its factorization.

56743859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 56743859 is about 7532.8519831469. The cubic root of 56743859 is about 384.2727802654.

The spelling of 56743859 in words is "fifty-six million, seven hundred forty-three thousand, eight hundred fifty-nine".