51016711 has 4 divisors (see below), whose sum is σ = 54017712. Its totient is φ = 48015712.

The previous prime is 51016649. The next prime is 51016733. The reversal of 51016711 is 11761015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51016711 - 2⁷ = 51016583 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 (51016781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500475 + ... + 1500508.

It is an arithmetic number, because the mean of its divisors is an integer number (13504428).

Almost surely, 2^51016711 is an apocalyptic number.

51016711 is a deficient number, since it is larger than the sum of its proper divisors (3001001).

51016711 is a wasteful number, since it uses less digits than its factorization.

51016711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001000.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 51016711 is about 7142.5983367399. The cubic root of 51016711 is about 370.8834767975.

Adding to 51016711 its reverse (11761015), we get a palindrome (62777726).

The spelling of 51016711 in words is "fifty-one million, sixteen thousand, seven hundred eleven".