56163434 has 8 divisors (see below), whose sum is σ = 84559140. Its totient is φ = 27977056.

The previous prime is 56163407. The next prime is 56163439. The reversal of 56163434 is 43436165.

It can be written as a sum of positive squares in 2 ways, for example, as 55547209 + 616225 = 7453^2 + 785^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56163434.

It is not an unprimeable number, because it can be changed into a prime (56163439) 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, 51659 + ... + 52734.

Almost surely, 2^56163434 is an apocalyptic number.

56163434 is a deficient number, since it is larger than the sum of its proper divisors (28395706).

56163434 is a wasteful number, since it uses less digits than its factorization.

56163434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104664.

The product of its digits is 25920, while the sum is 32.

The square root of 56163434 is about 7494.2267112758. The cubic root of 56163434 is about 382.9580631570.

Adding to 56163434 its reverse (43436165), we get a palindrome (99599599).

The spelling of 56163434 in words is "fifty-six million, one hundred sixty-three thousand, four hundred thirty-four".