56465663 has 16 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 50349600.

The previous prime is 56465627. The next prime is 56465671. The reversal of 56465663 is 36656465.

It is a happy number.

It is not a de Polignac number, because 56465663 - 2¹⁸ = 56203519 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 56465663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56465623) 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, 20498 + ... + 23088.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^56465663 is an apocalyptic number.

56465663 is a deficient number, since it is larger than the sum of its proper divisors (6571777).

56465663 is a wasteful number, since it uses less digits than its factorization.

56465663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678.

The product of its digits is 388800, while the sum is 41.

The square root of 56465663 is about 7514.3637787906. The cubic root of 56465663 is about 383.6437645855.

The spelling of 56465663 in words is "fifty-six million, four hundred sixty-five thousand, six hundred sixty-three".