51463323 has 16 divisors (see below), whose sum is σ = 78103200. Its totient is φ = 33471360.

The previous prime is 51463319. The next prime is 51463339. The reversal of 51463323 is 32336415.

It is a happy number.

51463323 is a `hidden beast` number, since 5 + 1 + 4 + 633 + 23 = 666.

It is not a de Polignac number, because 51463323 - 2² = 51463319 is a prime.

It is a super-2 number, since 2×51463323² = 5296947228404658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51463393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22138 + ... + 24351.

It is an arithmetic number, because the mean of its divisors is an integer number (4881450).

Almost surely, 2^51463323 is an apocalyptic number.

51463323 is a deficient number, since it is larger than the sum of its proper divisors (26639877).

51463323 is a wasteful number, since it uses less digits than its factorization.

51463323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46539 (or 46533 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 51463323 is about 7173.7941843909. The cubic root of 51463323 is about 371.9626002984.

Adding to 51463323 its reverse (32336415), we get a palindrome (83799738).

The spelling of 51463323 in words is "fifty-one million, four hundred sixty-three thousand, three hundred twenty-three".