56041609 has 8 divisors (see below), whose sum is σ = 61031880. Its totient is φ = 51148416.

The previous prime is 56041591. The next prime is 56041613. The reversal of 56041609 is 90614065.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 56025225 = 128^2 + 7485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56041609 - 2¹¹ = 56039561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56041619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23062 + ... + 25375.

It is an arithmetic number, because the mean of its divisors is an integer number (7628985).

Almost surely, 2^56041609 is an apocalyptic number.

It is an amenable number.

56041609 is a deficient number, since it is larger than the sum of its proper divisors (4990271).

56041609 is a wasteful number, since it uses less digits than its factorization.

56041609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48539.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 56041609 is about 7486.0943755740. The cubic root of 56041609 is about 382.6809692309.

The spelling of 56041609 in words is "fifty-six million, forty-one thousand, six hundred nine".