51606061 has 16 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 46019520.

The previous prime is 51606059. The next prime is 51606127. The reversal of 51606061 is 16060615.

51606061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51606061 - 2¹ = 51606059 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 (51606031) 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, 46236 + ... + 47338.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 2^51606061 is an apocalyptic number.

It is an amenable number.

51606061 is a deficient number, since it is larger than the sum of its proper divisors (5890259).

51606061 is a wasteful number, since it uses less digits than its factorization.

51606061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 51606061 is about 7183.7358665252. The cubic root of 51606061 is about 372.3061730530.

Adding to 51606061 its reverse (16060615), we get a palindrome (67666676).

The spelling of 51606061 in words is "fifty-one million, six hundred six thousand, sixty-one".