5445555 has 8 divisors (see below), whose sum is σ = 8712912. Its totient is φ = 2904288.

The previous prime is 5445541. The next prime is 5445577. The reversal of 5445555 is 5555445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5445555 - 2¹⁵ = 5412787 is a prime.

5445555 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181504 + ... + 181533.

It is an arithmetic number, because the mean of its divisors is an integer number (1089114).

Almost surely, 2^5445555 is an apocalyptic number.

5445555 is a deficient number, since it is larger than the sum of its proper divisors (3267357).

5445555 is a wasteful number, since it uses less digits than its factorization.

5445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363045.

The product of its digits is 50000, while the sum is 33.

The square root of 5445555 is about 2333.5712973895. The cubic root of 5445555 is about 175.9330302196.

The spelling of 5445555 in words is "five million, four hundred forty-five thousand, five hundred fifty-five".