56345663 has 8 divisors (see below), whose sum is σ = 61523280. Its totient is φ = 51177280.

The previous prime is 56345647. The next prime is 56345669. The reversal of 56345663 is 36654365.

It is a happy number.

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

It is not a de Polignac number, because 56345663 - 2⁴ = 56345647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56345669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19283 + ... + 22011.

It is an arithmetic number, because the mean of its divisors is an integer number (7690410).

Almost surely, 2^56345663 is an apocalyptic number.

56345663 is a deficient number, since it is larger than the sum of its proper divisors (5177617).

56345663 is a wasteful number, since it uses less digits than its factorization.

56345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617.

The product of its digits is 194400, while the sum is 38.

The square root of 56345663 is about 7506.3748241078. The cubic root of 56345663 is about 383.3718004666.

The spelling of 56345663 in words is "fifty-six million, three hundred forty-five thousand, six hundred sixty-three".