50671516066521 has 16 divisors (see below), whose sum is σ = 77276565283200. Its totient is φ = 28931592094848.

The previous prime is 50671516066519. The next prime is 50671516066643. The reversal of 50671516066521 is 12566061517605.

It is not a de Polignac number, because 50671516066521 - 2¹ = 50671516066519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50671516066421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981637876 + ... + 981689493.

It is an arithmetic number, because the mean of its divisors is an integer number (4829785330200).

Almost surely, 2^{50671516066521} is an apocalyptic number.

It is an amenable number.

50671516066521 is a deficient number, since it is larger than the sum of its proper divisors (26605049216679).

50671516066521 is a wasteful number, since it uses less digits than its factorization.

50671516066521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963328608.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 50671516066521 in words is "fifty trillion, six hundred seventy-one billion, five hundred sixteen million, sixty-six thousand, five hundred twenty-one".