51050631 has 8 divisors (see below), whose sum is σ = 68283504. Its totient is φ = 33925760.

The previous prime is 51050603. The next prime is 51050641. The reversal of 51050631 is 13605015.

It is a happy number.

51050631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51050631 - 2⁵ = 51050599 is a prime.

It is a super-3 number, since 3×51050631³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 51050598 and 51050607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050641) 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, 25890 + ... + 27791.

It is an arithmetic number, because the mean of its divisors is an integer number (8535438).

Almost surely, 2^51050631 is an apocalyptic number.

51050631 is a deficient number, since it is larger than the sum of its proper divisors (17232873).

51050631 is a wasteful number, since it uses less digits than its factorization.

51050631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54001.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 51050631 is about 7144.9724282183. The cubic root of 51050631 is about 370.9656562780.

Adding to 51050631 its reverse (13605015), we get a palindrome (64655646).

It can be divided in two parts, 51050 and 631, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51050631 in words is "fifty-one million, fifty thousand, six hundred thirty-one".