50550065511 has 16 divisors (see below), whose sum is σ = 73533457920. Its totient is φ = 30633865920.

The previous prime is 50550065509. The next prime is 50550065549. The reversal of 50550065511 is 11556005505.

It is not a de Polignac number, because 50550065511 - 2¹ = 50550065509 is a prime.

It is a super-2 number, since 2×50550065511² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550065581) 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, 389250 + ... + 502608.

It is an arithmetic number, because the mean of its divisors is an integer number (4595841120).

Almost surely, 2^50550065511 is an apocalyptic number.

50550065511 is a deficient number, since it is larger than the sum of its proper divisors (22983392409).

50550065511 is a wasteful number, since it uses less digits than its factorization.

50550065511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126886.

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

The spelling of 50550065511 in words is "fifty billion, five hundred fifty million, sixty-five thousand, five hundred eleven".