56145959 has 2 divisors, whose sum is σ = 56145960. Its totient is φ = 56145958.

The previous prime is 56145941. The next prime is 56145989. The reversal of 56145959 is 95954165.

56145959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56145959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56145919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28072979 + 28072980.

It is an arithmetic number, because the mean of its divisors is an integer number (28072980).

Almost surely, 2^56145959 is an apocalyptic number.

56145959 is a deficient number, since it is larger than the sum of its proper divisors (1).

56145959 is an equidigital number, since it uses as much as digits as its factorization.

56145959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 44.

The square root of 56145959 is about 7493.0607230957. The cubic root of 56145959 is about 382.9183404770.

The spelling of 56145959 in words is "fifty-six million, one hundred forty-five thousand, nine hundred fifty-nine".