51716562 has 8 divisors (see below), whose sum is σ = 103433136. Its totient is φ = 17238852.

The previous prime is 51716543. The next prime is 51716579. The reversal of 51716562 is 26561715.

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

51716562 is an admirable 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, 4309708 + ... + 4309719.

It is an arithmetic number, because the mean of its divisors is an integer number (12929142).

Almost surely, 2^51716562 is an apocalyptic number.

51716562 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.

51716562 is a wasteful number, since it uses less digits than its factorization.

51716562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619432.

The product of its digits is 12600, while the sum is 33.

The square root of 51716562 is about 7191.4228077620. The cubic root of 51716562 is about 372.5717159939.

The spelling of 51716562 in words is "fifty-one million, seven hundred sixteen thousand, five hundred sixty-two".