55555550000002 has 16 divisors (see below), whose sum is σ = 90668772327672. Its totient is φ = 25376682631680.

The previous prime is 55555549999853. The next prime is 55555550000017. The reversal of 55555550000002 is 20000005555555.

It can be written as a sum of positive squares in 4 ways, for example, as 28264757564521 + 27290792435481 = 5316461^2 + 5224059^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11014182649 + ... + 11014187692.

Almost surely, 2^{55555550000002} is an apocalyptic number.

55555550000002 is a deficient number, since it is larger than the sum of its proper divisors (35113222327670).

55555550000002 is a wasteful number, since it uses less digits than its factorization.

55555550000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22028370453.

The product of its (nonzero) digits is 156250, while the sum is 37.

Adding to 55555550000002 its reverse (20000005555555), we get a palindrome (75555555555557).

The spelling of 55555550000002 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty million, two", and thus it is an aban number.