55303132 has 24 divisors (see below), whose sum is σ = 104251392. Its totient is φ = 25594800.

The previous prime is 55303111. The next prime is 55303133. The reversal of 55303132 is 23130355.

It is a happy number.

It is a super-3 number, since 3×55303132³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55303133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6844 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (4343808).

Almost surely, 2^55303132 is an apocalyptic number.

It is an amenable number.

55303132 is a deficient number, since it is larger than the sum of its proper divisors (48948260).

55303132 is a wasteful number, since it uses less digits than its factorization.

55303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19449 (or 19447 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 55303132 is about 7436.6075599026. The cubic root of 55303132 is about 380.9926310279.

Adding to 55303132 its reverse (23130355), we get a palindrome (78433487).

The spelling of 55303132 in words is "fifty-five million, three hundred three thousand, one hundred thirty-two".