56601223 has 6 divisors (see below), whose sum is σ = 65842296. Its totient is φ = 48515292.

The previous prime is 56601221. The next prime is 56601227. The reversal of 56601223 is 32210665.

It is not a de Polignac number, because 56601223 - 2¹ = 56601221 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 (56601221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577515 + ... + 577612.

It is an arithmetic number, because the mean of its divisors is an integer number (10973716).

Almost surely, 2^56601223 is an apocalyptic number.

56601223 is a deficient number, since it is larger than the sum of its proper divisors (9241073).

56601223 is a wasteful number, since it uses less digits than its factorization.

56601223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155141 (or 1155134 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 56601223 is about 7523.3784299343. The cubic root of 56601223 is about 383.9505302845.

Adding to 56601223 its reverse (32210665), we get a palindrome (88811888).

The spelling of 56601223 in words is "fifty-six million, six hundred one thousand, two hundred twenty-three".