56005135 has 8 divisors (see below), whose sum is σ = 68769360. Its totient is φ = 43761984.

The previous prime is 56005129. The next prime is 56005171. The reversal of 56005135 is 53150065.

56005135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56005135 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 130030 + ... + 130459.

It is an arithmetic number, because the mean of its divisors is an integer number (8596170).

Almost surely, 2^56005135 is an apocalyptic number.

56005135 is a deficient number, since it is larger than the sum of its proper divisors (12764225).

56005135 is a wasteful number, since it uses less digits than its factorization.

56005135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260537.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 56005135 is about 7483.6578623024. The cubic root of 56005135 is about 382.5979301276.

The spelling of 56005135 in words is "fifty-six million, five thousand, one hundred thirty-five".