50061155161 has 8 divisors (see below), whose sum is σ = 53013890664. Its totient is φ = 47109304320.

The previous prime is 50061155153. The next prime is 50061155171. The reversal of 50061155161 is 16155116005.

It can be written as a sum of positive squares in 4 ways, for example, as 21222662400 + 28838492761 = 145680^2 + 169819^2 .

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 50061155161 - 2³ = 50061155153 is a prime.

It is a super-2 number, since 2×50061155161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50061155171) 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, 102840 + ... + 332713.

It is an arithmetic number, because the mean of its divisors is an integer number (6626736333).

Almost surely, 2^50061155161 is an apocalyptic number.

It is an amenable number.

50061155161 is a deficient number, since it is larger than the sum of its proper divisors (2952735503).

50061155161 is a wasteful number, since it uses less digits than its factorization.

50061155161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442331.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 50061155161 in words is "fifty billion, sixty-one million, one hundred fifty-five thousand, one hundred sixty-one".