50545505440 has 96 divisors (see below), whose sum is σ = 125805960000. Its totient is φ = 19137742848.

The previous prime is 50545505377. The next prime is 50545505447. The reversal of 50545505440 is 4450554505.

50545505440 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 50545505440.

It is not an unprimeable number, because it can be changed into a prime (50545505447) 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, 3912111 + ... + 3925009.

It is an arithmetic number, because the mean of its divisors is an integer number (1310478750).

Almost surely, 2^50545505440 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 50545505440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62902980000).

50545505440 is an abundant number, since it is smaller than the sum of its proper divisors (75260454560).

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

50545505440 is a wasteful number, since it uses less digits than its factorization.

50545505440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14222 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

It can be divided in two parts, 50545 and 505440, that added together give a triangular number (555985 = T₁₀₅₄).

The spelling of 50545505440 in words is "fifty billion, five hundred forty-five million, five hundred five thousand, four hundred forty".