51017011 has 4 divisors (see below), whose sum is σ = 51355024. Its totient is φ = 50679000.

The previous prime is 51017009. The next prime is 51017023. The reversal of 51017011 is 11071015.

51017011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51017011 - 2¹ = 51017009 is a prime.

It is a super-3 number, since 3×51017011³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51017711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168780 + ... + 169081.

It is an arithmetic number, because the mean of its divisors is an integer number (12838756).

Almost surely, 2^51017011 is an apocalyptic number.

51017011 is a deficient number, since it is larger than the sum of its proper divisors (338013).

51017011 is a wasteful number, since it uses less digits than its factorization.

51017011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338012.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 51017011 is about 7142.6193374700. The cubic root of 51017011 is about 370.8842037804.

Adding to 51017011 its reverse (11071015), we get a palindrome (62088026).

The spelling of 51017011 in words is "fifty-one million, seventeen thousand, eleven".