56065505 has 8 divisors (see below), whose sum is σ = 68226624. Its totient is φ = 44220400.

The previous prime is 56065481. The next prime is 56065543. The reversal of 56065505 is 50556065.

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

It is not a de Polignac number, because 56065505 - 2⁶ = 56065441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78611 + ... + 79320.

It is an arithmetic number, because the mean of its divisors is an integer number (8528328).

Almost surely, 2^56065505 is an apocalyptic number.

It is an amenable number.

56065505 is a deficient number, since it is larger than the sum of its proper divisors (12161119).

56065505 is a wasteful number, since it uses less digits than its factorization.

56065505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158007.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 56065505 is about 7487.6902313063. The cubic root of 56065505 is about 382.7353529003.

It can be divided in two parts, 5606 and 5505, that added together give a palindrome (11111).

The spelling of 56065505 in words is "fifty-six million, sixty-five thousand, five hundred five".