51063641 has 8 divisors (see below), whose sum is σ = 51597000. Its totient is φ = 50533120.

The previous prime is 51063637. The next prime is 51063643. The reversal of 51063641 is 14636015.

51063641 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 1008016 + 50055625 = 1004^2 + 7075^2 .

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 51063641 - 2² = 51063637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51063641.

It is not an unprimeable number, because it can be changed into a prime (51063643) 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, 57521 + ... + 58401.

It is an arithmetic number, because the mean of its divisors is an integer number (6449625).

Almost surely, 2^51063641 is an apocalyptic number.

It is an amenable number.

51063641 is a deficient number, since it is larger than the sum of its proper divisors (533359).

51063641 is a wasteful number, since it uses less digits than its factorization.

51063641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51063641 is about 7145.8828006062. The cubic root of 51063641 is about 370.9971665203.

Adding to 51063641 its reverse (14636015), we get a palindrome (65699656).

The spelling of 51063641 in words is "fifty-one million, sixty-three thousand, six hundred forty-one".