51005716 has 24 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 24484512.

The previous prime is 51005711. The next prime is 51005737. The reversal of 51005716 is 61750015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7405 + ... + 12523.

It is an arithmetic number, because the mean of its divisors is an integer number (3870720).

Almost surely, 2^51005716 is an apocalyptic number.

It is an amenable number.

51005716 is a deficient number, since it is larger than the sum of its proper divisors (41891564).

51005716 is a wasteful number, since it uses less digits than its factorization.

51005716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 51005716 is about 7141.8286173780. The cubic root of 51005716 is about 370.8568309088.

It can be divided in two parts, 5100 and 5716, that added together give a square (10816 = 104²).

The spelling of 51005716 in words is "fifty-one million, five thousand, seven hundred sixteen".