50559566555904 has 576 divisors, whose sum is σ = 159659148902400. Its totient is φ = 14195654430720.

The previous prime is 50559566555903. The next prime is 50559566555977. The reversal of 50559566555904 is 40955566595505.

It is not an unprimeable number, because it can be changed into a prime (50559566555903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4176054619 + ... + 4176066725.

It is an arithmetic number, because the mean of its divisors is an integer number (277186022400).

Almost surely, 2^{50559566555904} 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 50559566555904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79829574451200).

50559566555904 is an abundant number, since it is smaller than the sum of its proper divisors (109099582346496).

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

50559566555904 is a wasteful number, since it uses less digits than its factorization.

50559566555904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421 (or 12393 counting only the distinct ones).

The product of its (nonzero) digits is 911250000, while the sum is 69.

The spelling of 50559566555904 in words is "fifty trillion, five hundred fifty-nine billion, five hundred sixty-six million, five hundred fifty-five thousand, nine hundred four".