50071780 has 96 divisors (see below), whose sum is σ = 120637440. Its totient is φ = 17297280.

The previous prime is 50071771. The next prime is 50071787. The reversal of 50071780 is 8717005.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50071787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633781 + ... + 633859.

It is an arithmetic number, because the mean of its divisors is an integer number (1256640).

Almost surely, 2^50071780 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 50071780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60318720).

50071780 is an abundant number, since it is smaller than the sum of its proper divisors (70565660).

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

50071780 is a wasteful number, since it uses less digits than its factorization.

50071780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 50071780 is about 7076.1416040099. The cubic root of 50071780 is about 368.5793587564.

Adding to 50071780 its reverse (8717005), we get a palindrome (58788785).

The spelling of 50071780 in words is "fifty million, seventy-one thousand, seven hundred eighty".