51168733 has 8 divisors (see below), whose sum is σ = 63794880. Its totient is φ = 39871680.

The previous prime is 51168727. The next prime is 51168749. The reversal of 51168733 is 33786115.

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 51168733 - 2⁵ = 51168701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51168703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332188 + ... + 332341.

It is an arithmetic number, because the mean of its divisors is an integer number (7974360).

Almost surely, 2^51168733 is an apocalyptic number.

It is an amenable number.

51168733 is a deficient number, since it is larger than the sum of its proper divisors (12626147).

51168733 is a wasteful number, since it uses less digits than its factorization.

51168733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664547.

The product of its digits is 15120, while the sum is 34.

The square root of 51168733 is about 7153.2323462893. The cubic root of 51168733 is about 371.2515035064.

The spelling of 51168733 in words is "fifty-one million, one hundred sixty-eight thousand, seven hundred thirty-three".