50497281280 has 144 divisors (see below), whose sum is σ = 123804785664. Its totient is φ = 19725271040.

The previous prime is 50497281239. The next prime is 50497281283. The reversal of 50497281280 is 8218279405.

50497281280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50497281280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50497281283) 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, 45781209 + ... + 45782311.

It is an arithmetic number, because the mean of its divisors is an integer number (859755456).

Almost surely, 2^50497281280 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 50497281280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61902392832).

50497281280 is an abundant number, since it is smaller than the sum of its proper divisors (73307504384).

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

50497281280 is a wasteful number, since it uses less digits than its factorization.

50497281280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 50497281280 in words is "fifty billion, four hundred ninety-seven million, two hundred eighty-one thousand, two hundred eighty".