51966011 has 4 divisors (see below), whose sum is σ = 51994152. Its totient is φ = 51937872.

The previous prime is 51965989. The next prime is 51966029. The reversal of 51966011 is 11066915.

51966011 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 51966011 - 2¹⁸ = 51703867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51966041) 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, 11090 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (12998538).

Almost surely, 2^51966011 is an apocalyptic number.

51966011 is a deficient number, since it is larger than the sum of its proper divisors (28141).

51966011 is a wasteful number, since it uses less digits than its factorization.

51966011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 51966011 is about 7208.7454525736. The cubic root of 51966011 is about 373.1697746736.

The spelling of 51966011 in words is "fifty-one million, nine hundred sixty-six thousand, eleven".