51916586 has 8 divisors (see below), whose sum is σ = 77911680. Its totient is φ = 25946028.

The previous prime is 51916577. The next prime is 51916597. The reversal of 51916586 is 68561915.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (9738960).

Almost surely, 2^51916586 is an apocalyptic number.

51916586 is a deficient number, since it is larger than the sum of its proper divisors (25995094).

51916586 is a wasteful number, since it uses less digits than its factorization.

51916586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268.

The product of its digits is 64800, while the sum is 41.

The square root of 51916586 is about 7205.3165093561. The cubic root of 51916586 is about 373.0514295848.

The spelling of 51916586 in words is "fifty-one million, nine hundred sixteen thousand, five hundred eighty-six".