51168283 has 4 divisors (see below), whose sum is σ = 54178200. Its totient is φ = 48158368.

The previous prime is 51168277. The next prime is 51168319. The reversal of 51168283 is 38286115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51168283 - 2⁵ = 51168251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51168233) 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 3 ways as a sum of consecutive naturals, for example, 1504933 + ... + 1504966.

It is an arithmetic number, because the mean of its divisors is an integer number (13544550).

Almost surely, 2^51168283 is an apocalyptic number.

51168283 is a deficient number, since it is larger than the sum of its proper divisors (3009917).

51168283 is a wasteful number, since it uses less digits than its factorization.

51168283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009916.

The product of its digits is 11520, while the sum is 34.

The square root of 51168283 is about 7153.2008919085. The cubic root of 51168283 is about 371.2504151877.

The spelling of 51168283 in words is "fifty-one million, one hundred sixty-eight thousand, two hundred eighty-three".