51344738 has 8 divisors (see below), whose sum is σ = 77053788. Its totient is φ = 25660144.

The previous prime is 51344693. The next prime is 51344747. The reversal of 51344738 is 83744315.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 2582449 = 6983^2 + 1607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51344698 and 51344707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620 + ... + 10152.

Almost surely, 2^51344738 is an apocalyptic number.

51344738 is a deficient number, since it is larger than the sum of its proper divisors (25709050).

51344738 is a wasteful number, since it uses less digits than its factorization.

51344738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228.

The product of its digits is 40320, while the sum is 35.

The square root of 51344738 is about 7165.5242655370. The cubic root of 51344738 is about 371.6766807636.

The spelling of 51344738 in words is "fifty-one million, three hundred forty-four thousand, seven hundred thirty-eight".