50103440 has 80 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 19092480.

The previous prime is 50103433. The next prime is 50103451. The reversal of 50103440 is 4430105.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220607 + ... + 220833.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^50103440 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 50103440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61067520).

50103440 is an abundant number, since it is smaller than the sum of its proper divisors (72031600).

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

50103440 is a wasteful number, since it uses less digits than its factorization.

50103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 50103440 is about 7078.3783453557. The cubic root of 50103440 is about 368.6570256838.

Adding to 50103440 its reverse (4430105), we get a palindrome (54533545).

The spelling of 50103440 in words is "fifty million, one hundred three thousand, four hundred forty".