445553455 has 16 divisors (see below), whose sum is σ = 547447104. Its totient is φ = 348007680.

The previous prime is 445553413. The next prime is 445553489. The reversal of 445553455 is 554355544.

It is not a de Polignac number, because 445553455 - 2¹⁵ = 445520687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36454 + ... + 47116.

It is an arithmetic number, because the mean of its divisors is an integer number (34215444).

Almost surely, 2^445553455 is an apocalyptic number.

445553455 is a deficient number, since it is larger than the sum of its proper divisors (101893649).

445553455 is a wasteful number, since it uses less digits than its factorization.

445553455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866.

The product of its digits is 600000, while the sum is 40.

The square root of 445553455 is about 21108.1371750328. The cubic root of 445553455 is about 763.7770512302. Note that the first 3 decimals are identical.

The spelling of 445553455 in words is "four hundred forty-five million, five hundred fifty-three thousand, four hundred fifty-five".