56028011 has 16 divisors (see below), whose sum is σ = 62632416. Its totient is φ = 49787136.

The previous prime is 56028001. The next prime is 56028041. The reversal of 56028011 is 11082065.

It is a cyclic number.

It is not a de Polignac number, because 56028011 - 2⁶ = 56027947 is a prime.

It is a super-2 number, since 2×56028011² = 6278276033232242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56028001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40121 + ... + 41493.

It is an arithmetic number, because the mean of its divisors is an integer number (3914526).

Almost surely, 2^56028011 is an apocalyptic number.

56028011 is a deficient number, since it is larger than the sum of its proper divisors (6604405).

56028011 is a wasteful number, since it uses less digits than its factorization.

56028011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 56028011 is about 7485.1861032308. The cubic root of 56028011 is about 382.6500153447.

The spelling of 56028011 in words is "fifty-six million, twenty-eight thousand, eleven".