50555010000 has 600 divisors, whose sum is σ = 189082099360. Its totient is φ = 11594880000.

The previous prime is 50555009987. The next prime is 50555010007. The reversal of 50555010000 is 1055505.

It is a tau number, because it is divible by the number of its divisors (600).

It is a super-2 number, since 2×50555010000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 68969634 + ... + 68970366.

Almost surely, 2^50555010000 is an apocalyptic number.

50555010000 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 50555010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94541049680).

50555010000 is an abundant number, since it is smaller than the sum of its proper divisors (138527089360).

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

50555010000 is a wasteful number, since it uses less digits than its factorization.

50555010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

Adding to 50555010000 its reverse (1055505), we get a palindrome (50556065505).

The spelling of 50555010000 in words is "fifty billion, five hundred fifty-five million, ten thousand".