51050223 has 32 divisors (see below), whose sum is σ = 86853120. Its totient is φ = 29030400.

The previous prime is 51050213. The next prime is 51050239. The reversal of 51050223 is 32205015.

It is a happy number.

It is not a de Polignac number, because 51050223 - 2⁸ = 51049967 is a prime.

It is a super-2 number, since 2×51050223² = 5212250536699458, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 51050196 and 51050205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050203) 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 31 ways as a sum of consecutive naturals, for example, 48048 + ... + 49098.

It is an arithmetic number, because the mean of its divisors is an integer number (2714160).

Almost surely, 2^51050223 is an apocalyptic number.

51050223 is a deficient number, since it is larger than the sum of its proper divisors (35802897).

51050223 is a wasteful number, since it uses less digits than its factorization.

51050223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 51050223 is about 7144.9438766165. The cubic root of 51050223 is about 370.9646680147.

Adding to 51050223 its reverse (32205015), we get a palindrome (83255238).

The spelling of 51050223 in words is "fifty-one million, fifty thousand, two hundred twenty-three".