544558855445 has 16 divisors (see below), whose sum is σ = 713596469760. Its totient is φ = 395643124800.

The previous prime is 544558855439. The next prime is 544558855481.

544558855445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544558855445 - 2²⁴ = 544542078229 is a prime.

It is a super-2 number, since 2×544558855445² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4940990 + ... + 5049999.

It is an arithmetic number, because the mean of its divisors is an integer number (44599779360).

Almost surely, 2^544558855445 is an apocalyptic number.

544558855445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544558855445 is a deficient number, since it is larger than the sum of its proper divisors (169037614315).

544558855445 is a wasteful number, since it uses less digits than its factorization.

544558855445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991996.

The product of its digits is 256000000, while the sum is 62.

The spelling of 544558855445 in words is "five hundred forty-four billion, five hundred fifty-eight million, eight hundred fifty-five thousand, four hundred forty-five".