1553132044 has 12 divisors (see below), whose sum is σ = 2729851600. Its totient is φ = 773174448.

The previous prime is 1553132039. The next prime is 1553132047. The reversal of 1553132044 is 4402313551.

It is not an unprimeable number, because it can be changed into a prime (1553132047) 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, 846864 + ... + 848695.

Almost surely, 2^1553132044 is an apocalyptic number.

It is an amenable number.

1553132044 is a deficient number, since it is larger than the sum of its proper divisors (1176719556).

1553132044 is a wasteful number, since it uses less digits than its factorization.

1553132044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695792 (or 1695790 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1553132044 is about 39409.7962948300. The cubic root of 1553132044 is about 1158.0735076229.

Adding to 1553132044 its reverse (4402313551), we get a palindrome (5955445595).

The spelling of 1553132044 in words is "one billion, five hundred fifty-three million, one hundred thirty-two thousand, forty-four".