1553424344 has 16 divisors (see below), whose sum is σ = 3065969400. Its totient is φ = 735832512.

The previous prime is 1553424337. The next prime is 1553424349. The reversal of 1553424344 is 4434243551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553424349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5109797 + ... + 5110100.

Almost surely, 2^1553424344 is an apocalyptic number.

It is an amenable number.

1553424344 is a deficient number, since it is larger than the sum of its proper divisors (1512545056).

1553424344 is a wasteful number, since it uses less digits than its factorization.

1553424344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219922 (or 10219918 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 1553424344 is about 39413.5045891633. The cubic root of 1553424344 is about 1158.1461530138.

Adding to 1553424344 its reverse (4434243551), we get a palindrome (5987667895).

The spelling of 1553424344 in words is "one billion, five hundred fifty-three million, four hundred twenty-four thousand, three hundred forty-four".