51716673 has 24 divisors (see below), whose sum is σ = 78361920. Its totient is φ = 32804640.

The previous prime is 51716663. The next prime is 51716681. The reversal of 51716673 is 37661715.

It is not a de Polignac number, because 51716673 - 2⁵ = 51716641 is a prime.

It is a super-2 number, since 2×51716673² = 5349228532377858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51716603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46858 + ... + 47948.

It is an arithmetic number, because the mean of its divisors is an integer number (3265080).

Almost surely, 2^51716673 is an apocalyptic number.

It is an amenable number.

51716673 is a deficient number, since it is larger than the sum of its proper divisors (26645247).

51716673 is a wasteful number, since it uses less digits than its factorization.

51716673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1346 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 51716673 is about 7191.4305252849. The cubic root of 51716673 is about 372.5719825457.

The spelling of 51716673 in words is "fifty-one million, seven hundred sixteen thousand, six hundred seventy-three".