51016244 has 12 divisors (see below), whose sum is σ = 91178304. Its totient is φ = 24965304.

The previous prime is 51016243. The next prime is 51016261. The reversal of 51016244 is 44261015.

It is a super-3 number, since 3×51016244³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51016241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135494 + ... + 135869.

It is an arithmetic number, because the mean of its divisors is an integer number (7598192).

Almost surely, 2^51016244 is an apocalyptic number.

It is an amenable number.

51016244 is a deficient number, since it is larger than the sum of its proper divisors (40162060).

51016244 is a wasteful number, since it uses less digits than its factorization.

51016244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271414 (or 271412 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51016244 is about 7142.5656454806. The cubic root of 51016244 is about 370.8823451218.

Adding to 51016244 its reverse (44261015), we get a palindrome (95277259).

The spelling of 51016244 in words is "fifty-one million, sixteen thousand, two hundred forty-four".