51116005 has 8 divisors (see below), whose sum is σ = 64006272. Its totient is φ = 39114768.

The previous prime is 51115979. The next prime is 51116011. The reversal of 51116005 is 50061115.

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

It is a cyclic number.

It is not a de Polignac number, because 51116005 - 2⁵ = 51115973 is a prime.

It is a super-2 number, since 2×51116005² = 5225691934320050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222129 + ... + 222358.

It is an arithmetic number, because the mean of its divisors is an integer number (8000784).

Almost surely, 2^51116005 is an apocalyptic number.

It is an amenable number.

51116005 is a deficient number, since it is larger than the sum of its proper divisors (12890267).

51116005 is a wasteful number, since it uses less digits than its factorization.

51116005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444515.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 51116005 is about 7149.5457897687. The cubic root of 51116005 is about 371.1239381233.

The spelling of 51116005 in words is "fifty-one million, one hundred sixteen thousand, five".