50555005000 has 40 divisors (see below), whose sum is σ = 118450388430. Its totient is φ = 20222000000.

The previous prime is 50555004977. The next prime is 50555005009. The reversal of 50555005000 is 50055505.

It can be written as a sum of positive squares in 5 ways, for example, as 9677443876 + 40877561124 = 98374^2 + 202182^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (50555005009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5050501 + ... + 5060500.

Almost surely, 2^50555005000 is an apocalyptic number.

50555005000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50555005000 is an abundant number, since it is smaller than the sum of its proper divisors (67895383430).

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

50555005000 is a wasteful number, since it uses less digits than its factorization.

50555005000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111027 (or 10111008 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 50555005000 in words is "fifty billion, five hundred fifty-five million, five thousand".