553303424 has 16 divisors (see below), whose sum is σ = 1102284420. Its totient is φ = 276651648.

The previous prime is 553303417. The next prime is 553303447. The reversal of 553303424 is 424303355.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×553303424² = 612289358020247552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161214 + ... + 2161469.

Almost surely, 2^553303424 is an apocalyptic number.

It is an amenable number.

553303424 is a deficient number, since it is larger than the sum of its proper divisors (548980996).

553303424 is an equidigital number, since it uses as much as digits as its factorization.

553303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322697 (or 4322685 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 553303424 is about 23522.4025983742. The cubic root of 553303424 is about 820.9583401828.

Adding to 553303424 its reverse (424303355), we get a palindrome (977606779).

The spelling of 553303424 in words is "five hundred fifty-three million, three hundred three thousand, four hundred twenty-four".