56416865 has 8 divisors (see below), whose sum is σ = 67775400. Its totient is φ = 45083392.

The previous prime is 56416847. The next prime is 56416879. The reversal of 56416865 is 56861465.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33825856 + 22591009 = 5816^2 + 4753^2 .

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 56416865 - 2⁸ = 56416609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (8471925).

Almost surely, 2^56416865 is an apocalyptic number.

It is an amenable number.

56416865 is a deficient number, since it is larger than the sum of its proper divisors (11358535).

56416865 is a wasteful number, since it uses less digits than its factorization.

56416865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its digits is 172800, while the sum is 41.

The square root of 56416865 is about 7511.1160954947. The cubic root of 56416865 is about 383.5332169065.

The spelling of 56416865 in words is "fifty-six million, four hundred sixteen thousand, eight hundred sixty-five".