553115232 has 72 divisors (see below), whose sum is σ = 1655723160. Its totient is φ = 174666240.

The previous prime is 553115219. The next prime is 553115263. The reversal of 553115232 is 232511355.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 553115196 and 553115205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45069 + ... + 56012.

It is an arithmetic number, because the mean of its divisors is an integer number (22996155).

Almost surely, 2^553115232 is an apocalyptic number.

It is an amenable number.

553115232 is an abundant number, since it is smaller than the sum of its proper divisors (1102607928).

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

553115232 is a wasteful number, since it uses less digits than its factorization.

553115232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101116 (or 101105 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 553115232 is about 23518.4019865296. The cubic root of 553115232 is about 820.8652536383.

Adding to 553115232 its reverse (232511355), we get a palindrome (785626587).

The spelling of 553115232 in words is "five hundred fifty-three million, one hundred fifteen thousand, two hundred thirty-two".