55050050049990 has 16 divisors (see below), whose sum is σ = 132120120120048. Its totient is φ = 14680013346656.

The previous prime is 55050050049989. The next prime is 55050050050007. The reversal of 55050050049990 is 9994005005055.

55050050049990 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 917500834137 + ... + 917500834196.

It is an arithmetic number, because the mean of its divisors is an integer number (8257507507503).

Almost surely, 2^{55050050049990} is an apocalyptic number.

55050050049990 is an abundant number, since it is smaller than the sum of its proper divisors (77070070070058).

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

55050050049990 is a wasteful number, since it uses less digits than its factorization.

55050050049990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835001668343.

The product of its (nonzero) digits is 1822500, while the sum is 51.

The spelling of 55050050049990 in words is "fifty-five trillion, fifty billion, fifty million, forty-nine thousand, nine hundred ninety".