51600223 has 2 divisors, whose sum is σ = 51600224. Its totient is φ = 51600222.

The previous prime is 51600221. The next prime is 51600229. The reversal of 51600223 is 32200615.

It is a happy number.

51600223 is nontrivially palindromic in base 3.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51600223 - 2¹ = 51600221 is a prime.

Together with 51600221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51600223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51600221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25800111 + 25800112.

It is an arithmetic number, because the mean of its divisors is an integer number (25800112).

Almost surely, 2^51600223 is an apocalyptic number.

51600223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51600223 is an equidigital number, since it uses as much as digits as its factorization.

51600223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51600223 is about 7183.3295204940. The cubic root of 51600223 is about 372.2921333235.

Adding to 51600223 its reverse (32200615), we get a palindrome (83800838).

The spelling of 51600223 in words is "fifty-one million, six hundred thousand, two hundred twenty-three".