51116193 has 6 divisors (see below), whose sum is σ = 73834514. Its totient is φ = 34077456.

The previous prime is 51116173. The next prime is 51116249. The reversal of 51116193 is 39161115.

51116193 is a `hidden beast` number, since 511 + 1 + 61 + 93 = 666.

51116193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 2214144 = 6993^2 + 1488^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51116193 is a prime.

It is a super-2 number, since 2×51116193² = 5225730373626498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51116113) 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 5 ways as a sum of consecutive naturals, for example, 2839780 + ... + 2839797.

Almost surely, 2^51116193 is an apocalyptic number.

It is an amenable number.

51116193 is a deficient number, since it is larger than the sum of its proper divisors (22718321).

51116193 is a wasteful number, since it uses less digits than its factorization.

51116193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679583 (or 5679580 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 51116193 is about 7149.5589374450. The cubic root of 51116193 is about 371.1243931094.

The spelling of 51116193 in words is "fifty-one million, one hundred sixteen thousand, one hundred ninety-three".