50555121161216 has 88 divisors (see below), whose sum is σ = 115977388883136. Its totient is φ = 21576577351680.

The previous prime is 50555121161183. The next prime is 50555121161221. The reversal of 50555121161216 is 61216112155505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905066 + ... + 16360041.

It is an arithmetic number, because the mean of its divisors is an integer number (1317924873672).

Almost surely, 2^{50555121161216} is an apocalyptic number.

50555121161216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50555121161216 is an abundant number, since it is smaller than the sum of its proper divisors (65422267721920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50555121161216 is a wasteful number, since it uses less digits than its factorization.

50555121161216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29265375 (or 29265357 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 50555121161216 in words is "fifty trillion, five hundred fifty-five billion, one hundred twenty-one million, one hundred sixty-one thousand, two hundred sixteen".