50550550043864 has 64 divisors (see below), whose sum is σ = 103017130776000. Its totient is φ = 23116062334464.

The previous prime is 50550550043863. The next prime is 50550550043869. The reversal of 50550550043864 is 46834005505505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550550043863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2043389 + ... + 10260435.

It is an arithmetic number, because the mean of its divisors is an integer number (1609642668375).

Almost surely, 2^{50550550043864} 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 50550550043864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51508565388000).

50550550043864 is an abundant number, since it is smaller than the sum of its proper divisors (52466580732136).

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

50550550043864 is a wasteful number, since it uses less digits than its factorization.

50550550043864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217612 (or 8217608 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 50550550043864 in words is "fifty trillion, five hundred fifty billion, five hundred fifty million, forty-three thousand, eight hundred sixty-four".