50550555489520 has 160 divisors (see below), whose sum is σ = 126605426734080. Its totient is φ = 18711763799040.

The previous prime is 50550555489503. The next prime is 50550555489529. The reversal of 50550555489520 is 2598455505505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550555489529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16904985 + ... + 19669255.

It is an arithmetic number, because the mean of its divisors is an integer number (791283917088).

Almost surely, 2^{50550555489520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50550555489520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63302713367040).

50550555489520 is an abundant number, since it is smaller than the sum of its proper divisors (76054871244560).

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

50550555489520 is a wasteful number, since it uses less digits than its factorization.

50550555489520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764583 (or 2764577 counting only the distinct ones).

The product of its (nonzero) digits is 45000000, while the sum is 58.

The spelling of 50550555489520 in words is "fifty trillion, five hundred fifty billion, five hundred fifty-five million, four hundred eighty-nine thousand, five hundred twenty".