445000055 has 8 divisors (see below), whose sum is σ = 536532144. Its totient is φ = 354312000.

The previous prime is 445000033. The next prime is 445000069. The reversal of 445000055 is 550000544.

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

It is not a de Polignac number, because 445000055 - 2⁸ = 444999799 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 209846 + ... + 211955.

It is an arithmetic number, because the mean of its divisors is an integer number (67066518).

Almost surely, 2^445000055 is an apocalyptic number.

445000055 is a deficient number, since it is larger than the sum of its proper divisors (91532089).

445000055 is a wasteful number, since it uses less digits than its factorization.

445000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422017.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 445000055 is about 21095.0244133540. The cubic root of 445000055 is about 763.4607036027.

Adding to 445000055 its reverse (550000544), we get a palindrome (995000599).

The spelling of 445000055 in words is "four hundred forty-five million, fifty-five", and thus it is an aban number.