56135011 has 4 divisors (see below), whose sum is σ = 56539000. Its totient is φ = 55731024.

The previous prime is 56134993. The next prime is 56135021. The reversal of 56135011 is 11053165.

56135011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11053165 = 5 ⋅2210633.

It is a cyclic number.

It is not a de Polignac number, because 56135011 - 2⁹ = 56134499 is a prime.

It is a super-2 number, since 2×56135011² = 6302278919940242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56135021) 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 in 3 ways as a sum of consecutive naturals, for example, 201786 + ... + 202063.

It is an arithmetic number, because the mean of its divisors is an integer number (14134750).

Almost surely, 2^56135011 is an apocalyptic number.

56135011 is a deficient number, since it is larger than the sum of its proper divisors (403989).

56135011 is a wasteful number, since it uses less digits than its factorization.

56135011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403988.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 56135011 is about 7492.3301448882. The cubic root of 56135011 is about 382.8934502173.

Adding to 56135011 its reverse (11053165), we get a palindrome (67188176).

The spelling of 56135011 in words is "fifty-six million, one hundred thirty-five thousand, eleven".