56304163 has 4 divisors (see below), whose sum is σ = 59267560. Its totient is φ = 53340768.

The previous prime is 56304139. The next prime is 56304197. The reversal of 56304163 is 36140365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56304163 - 2²¹ = 54207011 is a prime.

It is a super-2 number, since 2×56304163² = 6340317542261138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56304103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481670 + ... + 1481707.

It is an arithmetic number, because the mean of its divisors is an integer number (14816890).

Almost surely, 2^56304163 is an apocalyptic number.

56304163 is a deficient number, since it is larger than the sum of its proper divisors (2963397).

56304163 is a wasteful number, since it uses less digits than its factorization.

56304163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963396.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 56304163 is about 7503.6099978610. The cubic root of 56304163 is about 383.2776563539.

The spelling of 56304163 in words is "fifty-six million, three hundred four thousand, one hundred sixty-three".