56289859 has 2 divisors, whose sum is σ = 56289860. Its totient is φ = 56289858.

The previous prime is 56289851. The next prime is 56289887. The reversal of 56289859 is 95898265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56289859 - 2³ = 56289851 is a prime.

It is not a weakly prime, because it can be changed into another prime (56289851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144929 + 28144930.

It is an arithmetic number, because the mean of its divisors is an integer number (28144930).

Almost surely, 2^56289859 is an apocalyptic number.

56289859 is a deficient number, since it is larger than the sum of its proper divisors (1).

56289859 is an equidigital number, since it uses as much as digits as its factorization.

56289859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 52.

The square root of 56289859 is about 7502.6567960956. The cubic root of 56289859 is about 383.2451965402.

The spelling of 56289859 in words is "fifty-six million, two hundred eighty-nine thousand, eight hundred fifty-nine".