56105653 has 4 divisors (see below), whose sum is σ = 57622060. Its totient is φ = 54589248.

The previous prime is 56105611. The next prime is 56105663. The reversal of 56105653 is 35650165.

56105653 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 can be written as a sum of positive squares in 2 ways, for example, as 26967249 + 29138404 = 5193^2 + 5398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56105653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105663) 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, 758148 + ... + 758221.

It is an arithmetic number, because the mean of its divisors is an integer number (14405515).

Almost surely, 2^56105653 is an apocalyptic number.

It is an amenable number.

56105653 is a deficient number, since it is larger than the sum of its proper divisors (1516407).

56105653 is a wasteful number, since it uses less digits than its factorization.

56105653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516406.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 56105653 is about 7490.3706850863. The cubic root of 56105653 is about 382.8266888746.

The spelling of 56105653 in words is "fifty-six million, one hundred five thousand, six hundred fifty-three".