56819065 has 16 divisors (see below), whose sum is σ = 70061760. Its totient is φ = 44219200.

The previous prime is 56819051. The next prime is 56819089. The reversal of 56819065 is 56091865.

It is not a de Polignac number, because 56819065 - 2¹⁷ = 56687993 is a prime.

It is a super-2 number, since 2×56819065² = 6456812294948450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 28842 + ... + 30748.

It is an arithmetic number, because the mean of its divisors is an integer number (4378860).

Almost surely, 2^56819065 is an apocalyptic number.

It is an amenable number.

56819065 is a deficient number, since it is larger than the sum of its proper divisors (13242695).

56819065 is a wasteful number, since it uses less digits than its factorization.

56819065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 56819065 is about 7537.8421978707. The cubic root of 56819065 is about 384.4424718183.

The spelling of 56819065 in words is "fifty-six million, eight hundred nineteen thousand, sixty-five".