50053355440 has 80 divisors (see below), whose sum is σ = 127805882400. Its totient is φ = 18079016960.

The previous prime is 50053355437. The next prime is 50053355447. The reversal of 50053355440 is 4455335005.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 50053355396 and 50053355405.

It is not an unprimeable number, because it can be changed into a prime (50053355447) 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, 59749 + ... + 321988.

It is an arithmetic number, because the mean of its divisors is an integer number (1597573530).

Almost surely, 2^50053355440 is an apocalyptic number.

It is an amenable number.

50053355440 is an abundant number, since it is smaller than the sum of its proper divisors (77752526960).

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

50053355440 is a wasteful number, since it uses less digits than its factorization.

50053355440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381910 (or 381904 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 50053355440 in words is "fifty billion, fifty-three million, three hundred fifty-five thousand, four hundred forty".