1553343132 has 24 divisors (see below), whose sum is σ = 3953964672. Its totient is φ = 470710000.

The previous prime is 1553343061. The next prime is 1553343151. The reversal of 1553343132 is 2313433551.

It is a self number, because there is not a number n which added to its sum of digits gives 1553343132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5883744 + ... + 5884007.

It is an arithmetic number, because the mean of its divisors is an integer number (164748528).

Almost surely, 2^1553343132 is an apocalyptic number.

1553343132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1553343132 is an abundant number, since it is smaller than the sum of its proper divisors (2400621540).

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

1553343132 is a wasteful number, since it uses less digits than its factorization.

1553343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767769 (or 11767767 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 1553343132 is about 39412.4743196872. The cubic root of 1553343132 is about 1158.1259702897.

Adding to 1553343132 its reverse (2313433551), we get a palindrome (3866776683).

The spelling of 1553343132 in words is "one billion, five hundred fifty-three million, three hundred forty-three thousand, one hundred thirty-two".