55672223 has 8 divisors (see below), whose sum is σ = 59596800. Its totient is φ = 51847128.

The previous prime is 55672217. The next prime is 55672231. The reversal of 55672223 is 32227655.

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 55672223 - 2⁶ = 55672159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55672223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55672283) 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, 23711 + ... + 25952.

It is an arithmetic number, because the mean of its divisors is an integer number (7449600).

Almost surely, 2^55672223 is an apocalyptic number.

55672223 is a deficient number, since it is larger than the sum of its proper divisors (3924577).

55672223 is a wasteful number, since it uses less digits than its factorization.

55672223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49741.

The product of its digits is 25200, while the sum is 32.

The square root of 55672223 is about 7461.3821105744. The cubic root of 55672223 is about 381.8383292004.

Adding to 55672223 its reverse (32227655), we get a palindrome (87899878).

The spelling of 55672223 in words is "fifty-five million, six hundred seventy-two thousand, two hundred twenty-three".