44455555 has 8 divisors (see below), whose sum is σ = 53431344. Its totient is φ = 35508000.

The previous prime is 44455517. The next prime is 44455577. The reversal of 44455555 is 55555444.

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

It is not a de Polignac number, because 44455555 - 2¹⁹ = 43931267 is a prime.

It is a Duffinian number.

44455555 is a modest number, since divided by 5555 gives 4445 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (6678918).

Almost surely, 2^44455555 is an apocalyptic number.

44455555 is a deficient number, since it is larger than the sum of its proper divisors (8975789).

44455555 is a wasteful number, since it uses less digits than its factorization.

44455555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117.

The product of its digits is 200000, while the sum is 37.

The square root of 44455555 is about 6667.4999062617. The cubic root of 44455555 is about 354.2490374193.

It can be divided in two parts, 4445 and 5555, that added together give a 4-th power (10000 = 10⁴).

The spelling of 44455555 in words is "forty-four million, four hundred fifty-five thousand, five hundred fifty-five".