5555561055 has 32 divisors (see below), whose sum is σ = 9793018368. Its totient is φ = 2666928000.

The previous prime is 5555561021. The next prime is 5555561147. The reversal of 5555561055 is 5501655555.

It is not a de Polignac number, because 5555561055 - 2¹² = 5555556959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5555560998 and 5555561016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150019 + ... + 183348.

It is an arithmetic number, because the mean of its divisors is an integer number (306031824).

Almost surely, 2^5555561055 is an apocalyptic number.

5555561055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5555561055 is a deficient number, since it is larger than the sum of its proper divisors (4237457313).

5555561055 is a wasteful number, since it uses less digits than its factorization.

5555561055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333487.

The product of its (nonzero) digits is 468750, while the sum is 42.

The square root of 5555561055 is about 74535.6361413787. The cubic root of 5555561055 is about 1771.0981997073.

The spelling of 5555561055 in words is "five billion, five hundred fifty-five million, five hundred sixty-one thousand, fifty-five".