51301066 has 4 divisors (see below), whose sum is σ = 76951602. Its totient is φ = 25650532.

The previous prime is 51301049. The next prime is 51301079. The reversal of 51301066 is 66010315.

51301066 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 can be written as a sum of positive squares in only one way, i.e., 28462225 + 22838841 = 5335^2 + 4779^2 .

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 as a sum of consecutive naturals, namely, 12825265 + ... + 12825268.

Almost surely, 2^51301066 is an apocalyptic number.

51301066 is a deficient number, since it is larger than the sum of its proper divisors (25650536).

51301066 is a wasteful number, since it uses less digits than its factorization.

51301066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25650535.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 51301066 is about 7162.4762477791. The cubic root of 51301066 is about 371.5712725699.

The spelling of 51301066 in words is "fifty-one million, three hundred one thousand, sixty-six".