50405500 has 24 divisors (see below), whose sum is σ = 110086704. Its totient is φ = 20162000.

The previous prime is 50405497. The next prime is 50405513. The reversal of 50405500 is 550405.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49906 + ... + 50905.

It is an arithmetic number, because the mean of its divisors is an integer number (4586946).

Almost surely, 2^50405500 is an apocalyptic number.

50405500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50405500 is an abundant number, since it is smaller than the sum of its proper divisors (59681204).

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

50405500 is a wasteful number, since it uses less digits than its factorization.

50405500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100830 (or 100818 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 50405500 is about 7099.6830915189. The cubic root of 50405500 is about 369.3963861499.

Adding to 50405500 its reverse (550405), we get a palindrome (50955905).

It can be divided in two parts, 50405 and 500, that added together give a palindrome (50905).

The spelling of 50405500 in words is "fifty million, four hundred five thousand, five hundred".