50109840 has 400 divisors, whose sum is σ = 205254720. Its totient is φ = 11197440.

The previous prime is 50109833. The next prime is 50109841. The reversal of 50109840 is 4890105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 555 × 171 × 528.

It is not an unprimeable number, because it can be changed into a prime (50109841) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1354302 + ... + 1354338.

Almost surely, 2^50109840 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 50109840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102627360).

50109840 is an abundant number, since it is smaller than the sum of its proper divisors (155144880).

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

50109840 is a wasteful number, since it uses less digits than its factorization.

50109840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50109840 is about 7078.8304118689. The cubic root of 50109840 is about 368.6727219082.

Adding to 50109840 its reverse (4890105), we get a palindrome (54999945).

The spelling of 50109840 in words is "fifty million, one hundred nine thousand, eight hundred forty".