56011305 has 32 divisors (see below), whose sum is σ = 103670784. Its totient is φ = 25292736.

The previous prime is 56011283. The next prime is 56011309. The reversal of 56011305 is 50311065.

It is a happy number.

56011305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56011305 - 2¹² = 56007209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (56011309) 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 31 ways as a sum of consecutive naturals, for example, 5502 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (3239712).

Almost surely, 2^56011305 is an apocalyptic number.

It is an amenable number.

56011305 is a deficient number, since it is larger than the sum of its proper divisors (47659479).

56011305 is a wasteful number, since it uses less digits than its factorization.

56011305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 56011305 is about 7484.0700825153. The cubic root of 56011305 is about 382.6119796878.

The spelling of 56011305 in words is "fifty-six million, eleven thousand, three hundred five".