51606611 has 16 divisors (see below), whose sum is σ = 63783936. Its totient is φ = 40742016.

The previous prime is 51606559. The next prime is 51606617. The reversal of 51606611 is 11660615.

51606611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51606611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51606617) 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 15 ways as a sum of consecutive naturals, for example, 980 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (3986496).

Almost surely, 2^51606611 is an apocalyptic number.

51606611 is a deficient number, since it is larger than the sum of its proper divisors (12177325).

51606611 is a wasteful number, since it uses less digits than its factorization.

51606611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51606611 is about 7183.7741473407. The cubic root of 51606611 is about 372.3074956862.

The spelling of 51606611 in words is "fifty-one million, six hundred six thousand, six hundred eleven".