51168463 has 8 divisors (see below), whose sum is σ = 53967600. Its totient is φ = 48379968.

The previous prime is 51168461. The next prime is 51168497. The reversal of 51168463 is 36486115.

It is a happy number.

51168463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51168463 - 2¹ = 51168461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51168461) 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 7 ways as a sum of consecutive naturals, for example, 8445 + ... + 13177.

It is an arithmetic number, because the mean of its divisors is an integer number (6745950).

Almost surely, 2^51168463 is an apocalyptic number.

51168463 is a deficient number, since it is larger than the sum of its proper divisors (2799137).

51168463 is a wasteful number, since it uses less digits than its factorization.

51168463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321.

The product of its digits is 17280, while the sum is 34.

The square root of 51168463 is about 7153.2134736774. The cubic root of 51168463 is about 371.2508505160.

The spelling of 51168463 in words is "fifty-one million, one hundred sixty-eight thousand, four hundred sixty-three".