55050050050000 has 60 divisors (see below), whose sum is σ = 133315807328172. Its totient is φ = 22020020000000.

The previous prime is 55050050049989. The next prime is 55050050050007. The reversal of 55050050050000 is 5005005055.

It can be written as a sum of positive squares in 6 ways, for example, as 26423013070224 + 28627036979776 = 5140332^2 + 5350424^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050050050007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550450501 + ... + 550550500.

Almost surely, 2^{55050050050000} is an apocalyptic number.

55050050050000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55050050050000 is an abundant number, since it is smaller than the sum of its proper divisors (78265757278172).

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

55050050050000 is an equidigital number, since it uses as much as digits as its factorization.

55050050050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101001034 (or 1101001008 counting only the distinct ones).

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

Adding to 55050050050000 its reverse (5005005055), we get a palindrome (55055055055055).

The spelling of 55050050050000 in words is "fifty-five trillion, fifty billion, fifty million, fifty thousand".