55301232 has 40 divisors (see below), whose sum is σ = 163271296. Its totient is φ = 15800256.

The previous prime is 55301227. The next prime is 55301263. The reversal of 55301232 is 23210355.

55301232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 55301199 and 55301208.

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, 81958 + ... + 82629.

Almost surely, 2^55301232 is an apocalyptic number.

It is an amenable number.

55301232 is an abundant number, since it is smaller than the sum of its proper divisors (107970064).

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

55301232 is a wasteful number, since it uses less digits than its factorization.

55301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164605 (or 164599 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55301232 is about 7436.4798123844. The cubic root of 55301232 is about 380.9882678375.

Adding to 55301232 its reverse (23210355), we get a palindrome (78511587).

The spelling of 55301232 in words is "fifty-five million, three hundred one thousand, two hundred thirty-two".