553520343 has 8 divisors (see below), whose sum is σ = 738140800. Its totient is φ = 368956728.

The previous prime is 553520329. The next prime is 553520347. The reversal of 553520343 is 343025355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 553520343 - 2⁵ = 553520311 is a prime.

It is a super-2 number, since 2×553520343² = 612769540229675298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553520343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553520347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20928 + ... + 39306.

It is an arithmetic number, because the mean of its divisors is an integer number (92267600).

Almost surely, 2^553520343 is an apocalyptic number.

553520343 is a deficient number, since it is larger than the sum of its proper divisors (184620457).

553520343 is a wasteful number, since it uses less digits than its factorization.

553520343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28421.

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 553520343 is about 23527.0130488339. The cubic root of 553520343 is about 821.0656099542.

Adding to 553520343 its reverse (343025355), we get a palindrome (896545698).

It can be divided in two parts, 5535 and 20343, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 553520343 in words is "five hundred fifty-three million, five hundred twenty thousand, three hundred forty-three".