5445599555 has 24 divisors (see below), whose sum is σ = 7430497200. Its totient is φ = 3823856960.

The previous prime is 5445599521. The next prime is 5445599573. The reversal of 5445599555 is 5559955445.

It is not a de Polignac number, because 5445599555 - 2⁶ = 5445599491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5445599555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137645 + ... + 172734.

It is an arithmetic number, because the mean of its divisors is an integer number (309604050).

Almost surely, 2^5445599555 is an apocalyptic number.

5445599555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5445599555 is a deficient number, since it is larger than the sum of its proper divisors (1984897645).

5445599555 is a wasteful number, since it uses less digits than its factorization.

5445599555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310435 (or 310424 counting only the distinct ones).

The product of its digits is 20250000, while the sum is 56.

The square root of 5445599555 is about 73794.3057085030. The cubic root of 5445599555 is about 1759.3351004058.

The spelling of 5445599555 in words is "five billion, four hundred forty-five million, five hundred ninety-nine thousand, five hundred fifty-five".