5500000055 has 16 divisors (see below), whose sum is σ = 7623530784. Its totient is φ = 3764705280.

The previous prime is 5500000043. The next prime is 5500000069.

It is a happy number.

5500000055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5500000055 - 2⁴ = 5500000039 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5499999982 and 5500000036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940242 + ... + 2942111.

It is an arithmetic number, because the mean of its divisors is an integer number (476470674).

Almost surely, 2^5500000055 is an apocalyptic number.

5500000055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5500000055 is a deficient number, since it is larger than the sum of its proper divisors (2123530729).

5500000055 is a wasteful number, since it uses less digits than its factorization.

5500000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882386.

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 5500000055 is about 74161.9852417666. The cubic root of 5500000055 is about 1765.1741735469.

It can be divided in two parts, 55000000 and 55, that multiplied together give a square (3025000000 = 55000²).

The spelling of 5500000055 in words is "five billion, five hundred million, fifty-five", and thus it is an aban number.