5555444545 has 16 divisors (see below), whose sum is σ = 7664525568. Its totient is φ = 3786632640.

The previous prime is 5555444443. The next prime is 5555444563. The reversal of 5555444545 is 5454445555.

It is not a de Polignac number, because 5555444545 - 2⁷ = 5555444417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5555444495 and 5555444504.

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, 469386 + ... + 481075.

It is an arithmetic number, because the mean of its divisors is an integer number (479032848).

Almost surely, 2^5555444545 is an apocalyptic number.

It is an amenable number.

5555444545 is a deficient number, since it is larger than the sum of its proper divisors (2109081023).

5555444545 is a wasteful number, since it uses less digits than its factorization.

5555444545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950640.

The product of its digits is 4000000, while the sum is 46.

The square root of 5555444545 is about 74534.8545648276. The cubic root of 5555444545 is about 1771.0858185940.

The spelling of 5555444545 in words is "five billion, five hundred fifty-five million, four hundred forty-four thousand, five hundred forty-five".