56042765 has 4 divisors (see below), whose sum is σ = 67251324. Its totient is φ = 44834208.

The previous prime is 56042719. The next prime is 56042771. The reversal of 56042765 is 56724065.

56042765 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 27857284 + 28185481 = 5278^2 + 5309^2 .

It is a cyclic number.

It is not a de Polignac number, because 56042765 - 2¹⁴ = 56026381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5604272 + ... + 5604281.

It is an arithmetic number, because the mean of its divisors is an integer number (16812831).

Almost surely, 2^56042765 is an apocalyptic number.

It is an amenable number.

56042765 is a deficient number, since it is larger than the sum of its proper divisors (11208559).

56042765 is a wasteful number, since it uses less digits than its factorization.

56042765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208558.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 56042765 is about 7486.1715849959. The cubic root of 56042765 is about 382.6836004672.

The spelling of 56042765 in words is "fifty-six million, forty-two thousand, seven hundred sixty-five".