55205232 has 40 divisors (see below), whose sum is σ = 143022096. Its totient is φ = 18349056.

The previous prime is 55205207. The next prime is 55205243. The reversal of 55205232 is 23250255.

55205232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55205232³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 17608 + ... + 20504.

Almost surely, 2^55205232 is an apocalyptic number.

It is an amenable number.

55205232 is an abundant number, since it is smaller than the sum of its proper divisors (87816864).

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

55205232 is a wasteful number, since it uses less digits than its factorization.

55205232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55205232 is about 7430.0223418237. The cubic root of 55205232 is about 380.7676816839.

Adding to 55205232 its reverse (23250255), we get a palindrome (78455487).

The spelling of 55205232 in words is "fifty-five million, two hundred five thousand, two hundred thirty-two".