51316853 has 16 divisors (see below), whose sum is σ = 62029440. Its totient is φ = 41472000.

The previous prime is 51316849. The next prime is 51316877. The reversal of 51316853 is 35861315.

It is a cyclic number.

It is not a de Polignac number, because 51316853 - 2² = 51316849 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51316813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31253 + ... + 32853.

It is an arithmetic number, because the mean of its divisors is an integer number (3876840).

Almost surely, 2^51316853 is an apocalyptic number.

It is an amenable number.

51316853 is a deficient number, since it is larger than the sum of its proper divisors (10712587).

51316853 is a wasteful number, since it uses less digits than its factorization.

51316853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its digits is 10800, while the sum is 32.

The square root of 51316853 is about 7163.5782259985. The cubic root of 51316853 is about 371.6093835003.

The spelling of 51316853 in words is "fifty-one million, three hundred sixteen thousand, eight hundred fifty-three".