50405025500 has 96 divisors (see below), whose sum is σ = 117261406080. Its totient is φ = 18861849600.

The previous prime is 50405025457. The next prime is 50405025509. The reversal of 50405025500 is 552050405.

It is a self number, because there is not a number n which added to its sum of digits gives 50405025500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50405025509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1401746 + ... + 1437254.

It is an arithmetic number, because the mean of its divisors is an integer number (1221472980).

Almost surely, 2^50405025500 is an apocalyptic number.

50405025500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50405025500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58630703040).

50405025500 is an abundant number, since it is smaller than the sum of its proper divisors (66856380580).

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

50405025500 is a wasteful number, since it uses less digits than its factorization.

50405025500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35712 (or 35700 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

Adding to 50405025500 its reverse (552050405), we get a palindrome (50957075905).

The spelling of 50405025500 in words is "fifty billion, four hundred five million, twenty-five thousand, five hundred".