5545505555 has 4 divisors (see below), whose sum is σ = 6654606672. Its totient is φ = 4436404440.

The previous prime is 5545505543. The next prime is 5545505557. The reversal of 5545505555 is 5555055455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5545505555 - 2⁶ = 5545505491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5545505557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554550551 + ... + 554550560.

It is an arithmetic number, because the mean of its divisors is an integer number (1663651668).

Almost surely, 2^5545505555 is an apocalyptic number.

5545505555 is a deficient number, since it is larger than the sum of its proper divisors (1109101117).

5545505555 is a wasteful number, since it uses less digits than its factorization.

5545505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109101116.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The square root of 5545505555 is about 74468.1512795907. The cubic root of 5545505555 is about 1770.0289987482.

The spelling of 5545505555 in words is "five billion, five hundred forty-five million, five hundred five thousand, five hundred fifty-five".