51000050605 has 8 divisors (see below), whose sum is σ = 69942926592. Its totient is φ = 34971463248.

The previous prime is 51000050537. The next prime is 51000050623. The reversal of 51000050605 is 50605000015.

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

It is a cyclic number.

It is not a de Polignac number, because 51000050605 - 2¹³ = 51000042413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728572117 + ... + 728572186.

It is an arithmetic number, because the mean of its divisors is an integer number (8742865824).

Almost surely, 2^51000050605 is an apocalyptic number.

It is an amenable number.

51000050605 is a deficient number, since it is larger than the sum of its proper divisors (18942875987).

51000050605 is a wasteful number, since it uses less digits than its factorization.

51000050605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457144315.

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 51000050605 in words is "fifty-one billion, fifty thousand, six hundred five".