56009959 has 2 divisors, whose sum is σ = 56009960. Its totient is φ = 56009958.

The previous prime is 56009927. The next prime is 56010011. The reversal of 56009959 is 95990065.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56009959 - 2⁵ = 56009927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56009909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28004979 + 28004980.

It is an arithmetic number, because the mean of its divisors is an integer number (28004980).

Almost surely, 2^56009959 is an apocalyptic number.

56009959 is a deficient number, since it is larger than the sum of its proper divisors (1).

56009959 is an equidigital number, since it uses as much as digits as its factorization.

56009959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 56009959 is about 7483.9801576434. The cubic root of 56009959 is about 382.6089148312.

The spelling of 56009959 in words is "fifty-six million, nine thousand, nine hundred fifty-nine".