50000405500 has 48 divisors (see below), whose sum is σ = 111051813600. Its totient is φ = 19661164800.

The previous prime is 50000405489. The next prime is 50000405509. The reversal of 50000405500 is 550400005.

It is a happy number.

50000405500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000405509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817965 + ... + 876964.

It is an arithmetic number, because the mean of its divisors is an integer number (2313579450).

Almost surely, 2^50000405500 is an apocalyptic number.

50000405500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50000405500 is an abundant number, since it is smaller than the sum of its proper divisors (61051408100).

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

50000405500 is a wasteful number, since it uses less digits than its factorization.

50000405500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695007 (or 1694995 counting only the distinct ones).

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

Adding to 50000405500 its reverse (550400005), we get a palindrome (50550805505).

The spelling of 50000405500 in words is "fifty billion, four hundred five thousand, five hundred".