51716946 has 8 divisors (see below), whose sum is σ = 103433904. Its totient is φ = 17238980.

The previous prime is 51716933. The next prime is 51716953. The reversal of 51716946 is 64961715.

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

51716946 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309740 + ... + 4309751.

It is an arithmetic number, because the mean of its divisors is an integer number (12929238).

Almost surely, 2^51716946 is an apocalyptic number.

51716946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51716946 is a wasteful number, since it uses less digits than its factorization.

51716946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619496.

The product of its digits is 45360, while the sum is 39.

The square root of 51716946 is about 7191.4495061844. The cubic root of 51716946 is about 372.5726381175.

The spelling of 51716946 in words is "fifty-one million, seven hundred sixteen thousand, nine hundred forty-six".