51016867 has 12 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 46188560.

The previous prime is 51016831. The next prime is 51016871. The reversal of 51016867 is 76861015.

It is not a de Polignac number, because 51016867 - 2¹⁵ = 50984099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51016897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34734 + ... + 36172.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^51016867 is an apocalyptic number.

51016867 is a deficient number, since it is larger than the sum of its proper divisors (5290013).

51016867 is a wasteful number, since it uses less digits than its factorization.

51016867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 51016867 is about 7142.6092571273. The cubic root of 51016867 is about 370.8838548289.

The spelling of 51016867 in words is "fifty-one million, sixteen thousand, eight hundred sixty-seven".