553042520 has 32 divisors (see below), whose sum is σ = 1245017520. Its totient is φ = 221097600.

The previous prime is 553042513. The next prime is 553042543. The reversal of 553042520 is 25240355.

It is a self number, because there is not a number n which added to its sum of digits gives 553042520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134495 + ... + 138545.

Almost surely, 2^553042520 is an apocalyptic number.

It is an amenable number.

553042520 is an abundant number, since it is smaller than the sum of its proper divisors (691975000).

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

553042520 is a wasteful number, since it uses less digits than its factorization.

553042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475 (or 7471 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 553042520 is about 23516.8560823933. The cubic root of 553042520 is about 820.8292820079.

Adding to 553042520 its reverse (25240355), we get a palindrome (578282875).

The spelling of 553042520 in words is "five hundred fifty-three million, forty-two thousand, five hundred twenty".