544449001 has 4 divisors (see below), whose sum is σ = 562011904. Its totient is φ = 526886100.

The previous prime is 544448999. The next prime is 544449007. The reversal of 544449001 is 100944445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 544449001 - 2¹ = 544448999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 17562871 = 544449001 / (5 + 4 + 4 + 4 + 4 + 9 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544449007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8781405 + ... + 8781466.

It is an arithmetic number, because the mean of its divisors is an integer number (140502976).

Almost surely, 2^544449001 is an apocalyptic number.

It is an amenable number.

544449001 is a deficient number, since it is larger than the sum of its proper divisors (17562903).

544449001 is a wasteful number, since it uses less digits than its factorization.

544449001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17562902.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 544449001 is about 23333.4309736052. The cubic root of 544449001 is about 816.5555501928. Note that the first 5 decimals are identical.

It can be divided in two parts, 5444 and 49001, that added together give a palindrome (54445).

The spelling of 544449001 in words is "five hundred forty-four million, four hundred forty-nine thousand, one".