51550150161 has 8 divisors (see below), whose sum is σ = 68794418080. Its totient is φ = 34336324512.

The previous prime is 51550150121. The next prime is 51550150189. The reversal of 51550150161 is 16105105515.

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

It is not a de Polignac number, because 51550150161 - 2¹³ = 51550141969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51550150121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7606615 + ... + 7613388.

It is an arithmetic number, because the mean of its divisors is an integer number (8599302260).

Almost surely, 2^51550150161 is an apocalyptic number.

It is an amenable number.

51550150161 is a deficient number, since it is larger than the sum of its proper divisors (17244267919).

51550150161 is a wasteful number, since it uses less digits than its factorization.

51550150161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221135.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 51550150161 its reverse (16105105515), we get a palindrome (67655255676).

The spelling of 51550150161 in words is "fifty-one billion, five hundred fifty million, one hundred fifty thousand, one hundred sixty-one".