5545555455 has 32 divisors (see below), whose sum is σ = 9683198208. Its totient is φ = 2687731200.

The previous prime is 5545555451. The next prime is 5545555471.

5545555455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5545555455 - 2² = 5545555451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545555451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605460 + ... + 614550.

It is an arithmetic number, because the mean of its divisors is an integer number (302599944).

Almost surely, 2^5545555455 is an apocalyptic number.

5545555455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5545555455 is a deficient number, since it is larger than the sum of its proper divisors (4137642753).

5545555455 is a wasteful number, since it uses less digits than its factorization.

5545555455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807.

The product of its digits is 6250000, while the sum is 48.

The square root of 5545555455 is about 74468.4863213964. The cubic root of 5545555455 is about 1770.0343078032.

The spelling of 5545555455 in words is "five billion, five hundred forty-five million, five hundred fifty-five thousand, four hundred fifty-five".