51066404 has 12 divisors (see below), whose sum is σ = 89443200. Its totient is φ = 25511208.

The previous prime is 51066403. The next prime is 51066409. The reversal of 51066404 is 40466015.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51066403) 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, 437 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (7453600).

Almost surely, 2^51066404 is an apocalyptic number.

It is an amenable number.

51066404 is a deficient number, since it is larger than the sum of its proper divisors (38376796).

51066404 is a wasteful number, since it uses less digits than its factorization.

51066404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002 (or 11000 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51066404 is about 7146.0761260989. The cubic root of 51066404 is about 371.0038578220.

The spelling of 51066404 in words is "fifty-one million, sixty-six thousand, four hundred four".