45545554555 has 4 divisors (see below), whose sum is σ = 54654665472. Its totient is φ = 36436443640.

The previous prime is 45545554529. The next prime is 45545554577. The reversal of 45545554555 is 55545554554.

45545554555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45545554555 - 2¹⁵ = 45545521787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4554555451 + ... + 4554555460.

It is an arithmetic number, because the mean of its divisors is an integer number (13663666368).

Almost surely, 2^45545554555 is an apocalyptic number.

45545554555 is a deficient number, since it is larger than the sum of its proper divisors (9109110917).

45545554555 is an equidigital number, since it uses as much as digits as its factorization.

45545554555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109110916.

The product of its digits is 25000000, while the sum is 52.

Subtracting 45545554555 from its reverse (55545554554), we obtain a palindrome (9999999999).

The spelling of 45545554555 in words is "forty-five billion, five hundred forty-five million, five hundred fifty-four thousand, five hundred fifty-five".