1553044224 has 72 divisors (see below), whose sum is σ = 4172212800. Its totient is φ = 512816128.

The previous prime is 1553044219. The next prime is 1553044261. The reversal of 1553044224 is 4224403551.

It is a junction number, because it is equal to n+sod(n) for n = 1553044191 and 1553044200.

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 7 ways as a sum of consecutive naturals, for example, 72727 + ... + 91625.

It is an arithmetic number, because the mean of its divisors is an integer number (57947400).

Almost surely, 2^1553044224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1553044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086106400).

1553044224 is an abundant number, since it is smaller than the sum of its proper divisors (2619168576).

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

1553044224 is a wasteful number, since it uses less digits than its factorization.

1553044224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19025 (or 19011 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1553044224 is about 39408.6820891032. The cubic root of 1553044224 is about 1158.0516799162.

Adding to 1553044224 its reverse (4224403551), we get a palindrome (5777447775).

The spelling of 1553044224 in words is "one billion, five hundred fifty-three million, forty-four thousand, two hundred twenty-four".