51016895 has 8 divisors (see below), whose sum is σ = 62875104. Its totient is φ = 39710304.

The previous prime is 51016891. The next prime is 51016897. The reversal of 51016895 is 59861015.

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 51016895 - 2² = 51016891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51016891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137699 + ... + 138068.

It is an arithmetic number, because the mean of its divisors is an integer number (7859388).

Almost surely, 2^51016895 is an apocalyptic number.

51016895 is a deficient number, since it is larger than the sum of its proper divisors (11858209).

51016895 is a wasteful number, since it uses less digits than its factorization.

51016895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275809.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 51016895 is about 7142.6112171950. The cubic root of 51016895 is about 370.8839226807.

The spelling of 51016895 in words is "fifty-one million, sixteen thousand, eight hundred ninety-five".