56441665 has 8 divisors (see below), whose sum is σ = 77405760. Its totient is φ = 38702832.

The previous prime is 56441659. The next prime is 56441677. The reversal of 56441665 is 56614465.

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

It is not a de Polignac number, because 56441665 - 2⁵ = 56441633 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, 806275 + ... + 806344.

It is an arithmetic number, because the mean of its divisors is an integer number (9675720).

Almost surely, 2^56441665 is an apocalyptic number.

It is an amenable number.

56441665 is a deficient number, since it is larger than the sum of its proper divisors (20964095).

56441665 is a wasteful number, since it uses less digits than its factorization.

56441665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612631.

The product of its digits is 86400, while the sum is 37.

The square root of 56441665 is about 7512.7668005869. The cubic root of 56441665 is about 383.5894071397.

The spelling of 56441665 in words is "fifty-six million, four hundred forty-one thousand, six hundred sixty-five".