50173289280 has 336 divisors, whose sum is σ = 180504754560. Its totient is φ = 12767563776.

The previous prime is 50173289273. The next prime is 50173289281. The reversal of 50173289280 is 8298237105.

It is a happy number.

50173289280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50173289281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45241366 + ... + 45242474.

Almost surely, 2^50173289280 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 50173289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90252377280).

50173289280 is an abundant number, since it is smaller than the sum of its proper divisors (130331465280).

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

50173289280 is a wasteful number, since it uses less digits than its factorization.

50173289280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 50173289280 in words is "fifty billion, one hundred seventy-three million, two hundred eighty-nine thousand, two hundred eighty".