51830163 has 48 divisors (see below), whose sum is σ = 96595200. Its totient is φ = 25986240.

The previous prime is 51830159. The next prime is 51830167. The reversal of 51830163 is 36103815.

It is an interprime number because it is at equal distance from previous prime (51830159) and next prime (51830167).

It is not a de Polignac number, because 51830163 - 2² = 51830159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51830167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18808 + ... + 21386.

It is an arithmetic number, because the mean of its divisors is an integer number (2012400).

Almost surely, 2^51830163 is an apocalyptic number.

51830163 is a deficient number, since it is larger than the sum of its proper divisors (44765037).

51830163 is a wasteful number, since it uses less digits than its factorization.

51830163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 51830163 is about 7199.3168425900. The cubic root of 51830163 is about 372.8443144647.

Adding to 51830163 its reverse (36103815), we get a palindrome (87933978).

The spelling of 51830163 in words is "fifty-one million, eight hundred thirty thousand, one hundred sixty-three".