50555121153 has 16 divisors (see below), whose sum is σ = 67536939456. Its totient is φ = 33638420480.

The previous prime is 50555121151. The next prime is 50555121179. The reversal of 50555121153 is 35112155505.

It is a cyclic number.

It is not a de Polignac number, because 50555121153 - 2¹ = 50555121151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50555121151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3846433 + ... + 3859553.

It is an arithmetic number, because the mean of its divisors is an integer number (4221058716).

Almost surely, 2^50555121153 is an apocalyptic number.

It is an amenable number.

50555121153 is a deficient number, since it is larger than the sum of its proper divisors (16981818303).

50555121153 is a wasteful number, since it uses less digits than its factorization.

50555121153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504.

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

Adding to 50555121153 its reverse (35112155505), we get a palindrome (85667276658).

The spelling of 50555121153 in words is "fifty billion, five hundred fifty-five million, one hundred twenty-one thousand, one hundred fifty-three".