55736223 has 8 divisors (see below), whose sum is σ = 74553648. Its totient is φ = 37038144.

The previous prime is 55736221. The next prime is 55736227. The reversal of 55736223 is 32263755.

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

It is not a de Polignac number, because 55736223 - 2¹ = 55736221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55736221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28740 + ... + 30617.

It is an arithmetic number, because the mean of its divisors is an integer number (9319206).

Almost surely, 2^55736223 is an apocalyptic number.

55736223 is a deficient number, since it is larger than the sum of its proper divisors (18817425).

55736223 is a wasteful number, since it uses less digits than its factorization.

55736223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59673.

The product of its digits is 37800, while the sum is 33.

The square root of 55736223 is about 7465.6696283723. The cubic root of 55736223 is about 381.9845918148.

Adding to 55736223 its reverse (32263755), we get a palindrome (87999978).

The spelling of 55736223 in words is "fifty-five million, seven hundred thirty-six thousand, two hundred twenty-three".