51063161 has 8 divisors (see below), whose sum is σ = 52095624. Its totient is φ = 50037120.

The previous prime is 51063157. The next prime is 51063191. The reversal of 51063161 is 16136015.

It is a happy number.

51063161 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 4 ways, for example, as 9859600 + 41203561 = 3140^2 + 6419^2 .

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 51063161 - 2² = 51063157 is a prime.

It is a super-3 number, since 3×51063161³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51063101) 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, 16445 + ... + 19301.

It is an arithmetic number, because the mean of its divisors is an integer number (6511953).

Almost surely, 2^51063161 is an apocalyptic number.

It is an amenable number.

51063161 is a deficient number, since it is larger than the sum of its proper divisors (1032463).

51063161 is a wasteful number, since it uses less digits than its factorization.

51063161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51063161 is about 7145.8492147540. The cubic root of 51063161 is about 370.9960040546.

Adding to 51063161 its reverse (16136015), we get a palindrome (67199176).

The spelling of 51063161 in words is "fifty-one million, sixty-three thousand, one hundred sixty-one".