51716966 has 32 divisors (see below), whose sum is σ = 90402048. Its totient is φ = 21733920.

The previous prime is 51716957. The next prime is 51716969. The reversal of 51716966 is 66961715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51716969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298856 + ... + 299028.

It is an arithmetic number, because the mean of its divisors is an integer number (2825064).

Almost surely, 2^51716966 is an apocalyptic number.

51716966 is a deficient number, since it is larger than the sum of its proper divisors (38685082).

51716966 is a wasteful number, since it uses less digits than its factorization.

51716966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 68040, while the sum is 41.

The square root of 51716966 is about 7191.4508967245. The cubic root of 51716966 is about 372.5726861446.

The spelling of 51716966 in words is "fifty-one million, seven hundred sixteen thousand, nine hundred sixty-six".