50545040 has 160 divisors (see below), whose sum is σ = 148490496. Its totient is φ = 15575040.

The previous prime is 50545039. The next prime is 50545043. The reversal of 50545040 is 4054505.

It is a junction number, because it is equal to n+sod(n) for n = 50544997 and 50545015.

It is not an unprimeable number, because it can be changed into a prime (50545043) 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, 385775 + ... + 385905.

Almost surely, 2^50545040 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 50545040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74245248).

50545040 is an abundant number, since it is smaller than the sum of its proper divisors (97945456).

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

50545040 is a wasteful number, since it uses less digits than its factorization.

50545040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 50545040 is about 7109.5034988387. The cubic root of 50545040 is about 369.7369447488.

Adding to 50545040 its reverse (4054505), we get a palindrome (54599545).

The spelling of 50545040 in words is "fifty million, five hundred forty-five thousand, forty".