51045712 has 20 divisors (see below), whose sum is σ = 99074016. Its totient is φ = 25478240.

The previous prime is 51045691. The next prime is 51045719. The reversal of 51045712 is 21754015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51045719) 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, 7887 + ... + 12817.

Almost surely, 2^51045712 is an apocalyptic number.

It is an amenable number.

51045712 is a deficient number, since it is larger than the sum of its proper divisors (48028304).

51045712 is a wasteful number, since it uses less digits than its factorization.

51045712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5580 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 51045712 is about 7144.6281918656. The cubic root of 51045712 is about 370.9537410568.

Adding to 51045712 its reverse (21754015), we get a palindrome (72799727).

It can be divided in two parts, 5104 and 5712, that added together give a square (10816 = 104²).

The spelling of 51045712 in words is "fifty-one million, forty-five thousand, seven hundred twelve".