55150223 has 8 divisors (see below), whose sum is σ = 56908992. Its totient is φ = 53415936.

The previous prime is 55150219. The next prime is 55150231. The reversal of 55150223 is 32205155.

55150223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55150223 - 2² = 55150219 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 (55150213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (7113624).

Almost surely, 2^55150223 is an apocalyptic number.

55150223 is a deficient number, since it is larger than the sum of its proper divisors (1758769).

55150223 is a wasteful number, since it uses less digits than its factorization.

55150223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55150223 is about 7426.3196133751. The cubic root of 55150223 is about 380.6411682506.

Adding to 55150223 its reverse (32205155), we get a palindrome (87355378).

The spelling of 55150223 in words is "fifty-five million, one hundred fifty thousand, two hundred twenty-three".