50505840 has 240 divisors, whose sum is σ = 211700736. Its totient is φ = 10483200.

The previous prime is 50505839. The next prime is 50505859. The reversal of 50505840 is 4850505.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54985 + ... + 55895.

Almost surely, 2^50505840 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 50505840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105850368).

50505840 is an abundant number, since it is smaller than the sum of its proper divisors (161194896).

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

50505840 is a wasteful number, since it uses less digits than its factorization.

50505840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 50505840 is about 7106.7460908632. The cubic root of 50505840 is about 369.6413373679.

The spelling of 50505840 in words is "fifty million, five hundred five thousand, eight hundred forty".