56065605 has 32 divisors (see below), whose sum is σ = 94590720. Its totient is φ = 28300800.

The previous prime is 56065601. The next prime is 56065621. The reversal of 56065605 is 50656065.

It is not a de Polignac number, because 56065605 - 2² = 56065601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56065601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34041 + ... + 35649.

It is an arithmetic number, because the mean of its divisors is an integer number (2955960).

Almost surely, 2^56065605 is an apocalyptic number.

It is an amenable number.

56065605 is a deficient number, since it is larger than the sum of its proper divisors (38525115).

56065605 is a wasteful number, since it uses less digits than its factorization.

56065605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 56065605 is about 7487.6969089300. The cubic root of 56065605 is about 382.7355804526.

It can be divided in two parts, 5606 and 5605, that added together give a palindrome (11211).

The spelling of 56065605 in words is "fifty-six million, sixty-five thousand, six hundred five".