51013672 has 16 divisors (see below), whose sum is σ = 95758740. Its totient is φ = 25478016.

The previous prime is 51013663. The next prime is 51013673. The reversal of 51013672 is 27631015.

It can be written as a sum of positive squares in 2 ways, for example, as 50893956 + 119716 = 7134^2 + 346^2 .

It is not an unprimeable number, because it can be changed into a prime (51013673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5178 + ... + 11350.

Almost surely, 2^51013672 is an apocalyptic number.

It is an amenable number.

51013672 is a deficient number, since it is larger than the sum of its proper divisors (44745068).

51013672 is a wasteful number, since it uses less digits than its factorization.

51013672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 51013672 is about 7142.3855958636. The cubic root of 51013672 is about 370.8761123003.

Adding to 51013672 its reverse (27631015), we get a palindrome (78644687).

The spelling of 51013672 in words is "fifty-one million, thirteen thousand, six hundred seventy-two".