56063665 has 16 divisors (see below), whose sum is σ = 78340608. Its totient is φ = 37717056.

The previous prime is 56063663. The next prime is 56063729. The reversal of 56063665 is 56636065.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56063665 - 2¹ = 56063663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56063663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13257 + ... + 16966.

It is an arithmetic number, because the mean of its divisors is an integer number (4896288).

Almost surely, 2^56063665 is an apocalyptic number.

It is an amenable number.

56063665 is a deficient number, since it is larger than the sum of its proper divisors (22276943).

56063665 is a wasteful number, since it uses less digits than its factorization.

56063665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30288.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 56063665 is about 7487.5673619674. The cubic root of 56063665 is about 382.7311658887.

The spelling of 56063665 in words is "fifty-six million, sixty-three thousand, six hundred sixty-five".