1553274244 has 12 divisors (see below), whose sum is σ = 2861294800. Its totient is φ = 735761448.

The previous prime is 1553274209. The next prime is 1553274269. The reversal of 1553274244 is 4424723551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10218834 + ... + 10218985.

Almost surely, 2^1553274244 is an apocalyptic number.

It is an amenable number.

1553274244 is a deficient number, since it is larger than the sum of its proper divisors (1308020556).

1553274244 is a wasteful number, since it uses less digits than its factorization.

1553274244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437842 (or 20437840 counting only the distinct ones).

The product of its digits is 134400, while the sum is 37.

The square root of 1553274244 is about 39411.6003734941. The cubic root of 1553274244 is about 1158.1088497623.

Adding to 1553274244 its reverse (4424723551), we get a palindrome (5977997795).

The spelling of 1553274244 in words is "one billion, five hundred fifty-three million, two hundred seventy-four thousand, two hundred forty-four".