55525132 has 24 divisors (see below), whose sum is σ = 106623216. Its totient is φ = 25142208.

The previous prime is 55525121. The next prime is 55525139. The reversal of 55525132 is 23152555.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55525132.

It is not an unprimeable number, because it can be changed into a prime (55525139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7318 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (4442634).

Almost surely, 2^55525132 is an apocalyptic number.

55525132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55525132 is a deficient number, since it is larger than the sum of its proper divisors (51098084).

55525132 is a wasteful number, since it uses less digits than its factorization.

55525132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20217 (or 20215 counting only the distinct ones).

The product of its digits is 7500, while the sum is 28.

The square root of 55525132 is about 7451.5187713647. The cubic root of 55525132 is about 381.5017489114.

Adding to 55525132 its reverse (23152555), we get a palindrome (78677687).

The spelling of 55525132 in words is "fifty-five million, five hundred twenty-five thousand, one hundred thirty-two".