51227163 has 48 divisors (see below), whose sum is σ = 83472480. Its totient is φ = 30067200.

The previous prime is 51227161. The next prime is 51227179. The reversal of 51227163 is 36172215.

It is a happy number.

51227163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51227163 - 2¹ = 51227161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51227161) 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 47 ways as a sum of consecutive naturals, for example, 282933 + ... + 283113.

It is an arithmetic number, because the mean of its divisors is an integer number (1739010).

Almost surely, 2^51227163 is an apocalyptic number.

51227163 is a deficient number, since it is larger than the sum of its proper divisors (32245317).

51227163 is a wasteful number, since it uses less digits than its factorization.

51227163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 297 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 51227163 is about 7157.3153486485. The cubic root of 51227163 is about 371.3927614744.

Adding to 51227163 its reverse (36172215), we get a palindrome (87399378).

The spelling of 51227163 in words is "fifty-one million, two hundred twenty-seven thousand, one hundred sixty-three".