51476666 has 8 divisors (see below), whose sum is σ = 77282100. Its totient is φ = 25715968.

The previous prime is 51476627. The next prime is 51476699. The reversal of 51476666 is 66667415.

51476666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 4950625 = 6821^2 + 2225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 8141 + ... + 13008.

Almost surely, 2^51476666 is an apocalyptic number.

51476666 is a deficient number, since it is larger than the sum of its proper divisors (25805434).

51476666 is a wasteful number, since it uses less digits than its factorization.

51476666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22368.

The product of its digits is 181440, while the sum is 41.

The square root of 51476666 is about 7174.7241061939. The cubic root of 51476666 is about 371.9947440195.

The spelling of 51476666 in words is "fifty-one million, four hundred seventy-six thousand, six hundred sixty-six".