56105527 has 4 divisors (see below), whose sum is σ = 56319120. Its totient is φ = 55891936.

The previous prime is 56105521. The next prime is 56105531. The reversal of 56105527 is 72550165.

56105527 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56105527 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105521) 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, 106402 + ... + 106927.

It is an arithmetic number, because the mean of its divisors is an integer number (14079780).

Almost surely, 2^56105527 is an apocalyptic number.

56105527 is a deficient number, since it is larger than the sum of its proper divisors (213593).

56105527 is a wasteful number, since it uses less digits than its factorization.

56105527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213592.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 56105527 is about 7490.3622742829. The cubic root of 56105527 is about 382.8264022951.

The spelling of 56105527 in words is "fifty-six million, one hundred five thousand, five hundred twenty-seven".