1553200343 has 4 divisors (see below), whose sum is σ = 1554654360. Its totient is φ = 1551746328.

The previous prime is 1553200309. The next prime is 1553200423. The reversal of 1553200343 is 3430023551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1553200343 - 2³⁰ = 479458519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553205343) 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, 725405 + ... + 727542.

It is an arithmetic number, because the mean of its divisors is an integer number (388663590).

Almost surely, 2^1553200343 is an apocalyptic number.

1553200343 is a deficient number, since it is larger than the sum of its proper divisors (1454017).

1553200343 is a wasteful number, since it uses less digits than its factorization.

1553200343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454016.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1553200343 is about 39410.6628084329. The cubic root of 1553200343 is about 1158.0904828062.

Adding to 1553200343 its reverse (3430023551), we get a palindrome (4983223894).

The spelling of 1553200343 in words is "one billion, five hundred fifty-three million, two hundred thousand, three hundred forty-three".