51200223 has 4 divisors (see below), whose sum is σ = 68266968. Its totient is φ = 34133480.

The previous prime is 51200207. The next prime is 51200239. The reversal of 51200223 is 32200215.

51200223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51200207) and next prime (51200239).

It is a cyclic number.

It is not a de Polignac number, because 51200223 - 2⁴ = 51200207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51200203) 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 3 ways as a sum of consecutive naturals, for example, 8533368 + ... + 8533373.

It is an arithmetic number, because the mean of its divisors is an integer number (17066742).

Almost surely, 2^51200223 is an apocalyptic number.

51200223 is a deficient number, since it is larger than the sum of its proper divisors (17066745).

51200223 is a wasteful number, since it uses less digits than its factorization.

51200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17066744.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 51200223 is about 7155.4331105811. The cubic root of 51200223 is about 371.3276457894.

Adding to 51200223 its reverse (32200215), we get a palindrome (83400438).

The spelling of 51200223 in words is "fifty-one million, two hundred thousand, two hundred twenty-three".