51010006 has 4 divisors (see below), whose sum is σ = 76515012. Its totient is φ = 25505002.

The previous prime is 51009967. The next prime is 51010019. The reversal of 51010006 is 60001015.

51010006 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 congruent number.

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, 12752500 + ... + 12752503.

It is an arithmetic number, because the mean of its divisors is an integer number (19128753).

Almost surely, 2^51010006 is an apocalyptic number.

51010006 is a deficient number, since it is larger than the sum of its proper divisors (25505006).

51010006 is a wasteful number, since it uses less digits than its factorization.

51010006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505005.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 51010006 is about 7142.1289543105. The cubic root of 51010006 is about 370.8672279866.

The spelling of 51010006 in words is "fifty-one million, ten thousand, six".