56163523 has 8 divisors (see below), whose sum is σ = 60662000. Its totient is φ = 51690528.

The previous prime is 56163479. The next prime is 56163533. The reversal of 56163523 is 32536165.

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

It is a cyclic number.

It is not a de Polignac number, because 56163523 - 2²¹ = 54066371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56163533) 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, 1653 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (7582750).

Almost surely, 2^56163523 is an apocalyptic number.

56163523 is a deficient number, since it is larger than the sum of its proper divisors (4498477).

56163523 is a wasteful number, since it uses less digits than its factorization.

56163523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741.

The product of its digits is 16200, while the sum is 31.

The square root of 56163523 is about 7494.2326491776. The cubic root of 56163523 is about 382.9582654432.

Adding to 56163523 its reverse (32536165), we get a palindrome (88699688).

The spelling of 56163523 in words is "fifty-six million, one hundred sixty-three thousand, five hundred twenty-three".