51550150065 has 8 divisors (see below), whose sum is σ = 82480240128. Its totient is φ = 27493413360.

The previous prime is 51550150051. The next prime is 51550150081. The reversal of 51550150065 is 56005105515.

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

It is not a de Polignac number, because 51550150065 - 2⁸ = 51550149809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718338321 + ... + 1718338350.

It is an arithmetic number, because the mean of its divisors is an integer number (10310030016).

Almost surely, 2^51550150065 is an apocalyptic number.

It is an amenable number.

51550150065 is a deficient number, since it is larger than the sum of its proper divisors (30930090063).

51550150065 is a wasteful number, since it uses less digits than its factorization.

51550150065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436676679.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 51550150065 in words is "fifty-one billion, five hundred fifty million, one hundred fifty thousand, sixty-five".