51056738 has 16 divisors (see below), whose sum is σ = 78693120. Its totient is φ = 24830736.

The previous prime is 51056723. The next prime is 51056777. The reversal of 51056738 is 83765015.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51056698 and 51056707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22031 + ... + 24237.

It is an arithmetic number, because the mean of its divisors is an integer number (4918320).

Almost surely, 2^51056738 is an apocalyptic number.

51056738 is a deficient number, since it is larger than the sum of its proper divisors (27636382).

51056738 is a wasteful number, since it uses less digits than its factorization.

51056738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 51056738 is about 7145.3997788787. The cubic root of 51056738 is about 370.9804481091.

The spelling of 51056738 in words is "fifty-one million, fifty-six thousand, seven hundred thirty-eight".