573449544 has 80 divisors (see below), whose sum is σ = 1614624000. Its totient is φ = 190146528.

The previous prime is 573449533. The next prime is 573449557. The reversal of 573449544 is 445944375.

It is a self number, because there is not a number n which added to its sum of digits gives 573449544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126729 + ... + 131175.

It is an arithmetic number, because the mean of its divisors is an integer number (20182800).

Almost surely, 2^573449544 is an apocalyptic number.

573449544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 573449544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807312000).

573449544 is an abundant number, since it is smaller than the sum of its proper divisors (1041174456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

573449544 is a wasteful number, since it uses less digits than its factorization.

573449544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664 (or 4651 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 573449544 is about 23946.8065511876. The cubic root of 573449544 is about 830.8036653818.

It can be divided in two parts, 5734 and 49544, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 573449544 in words is "five hundred seventy-three million, four hundred forty-nine thousand, five hundred forty-four".