55324550 has 12 divisors (see below), whose sum is σ = 102903756. Its totient is φ = 22129800.

The previous prime is 55324543. The next prime is 55324559. The reversal of 55324550 is 5542355.

It is a happy number.

55324550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55324559) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 553196 + ... + 553295.

It is an arithmetic number, because the mean of its divisors is an integer number (8575313).

Almost surely, 2^55324550 is an apocalyptic number.

55324550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55324550 is a deficient number, since it is larger than the sum of its proper divisors (47579206).

55324550 is a wasteful number, since it uses less digits than its factorization.

55324550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106503 (or 1106498 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55324550 is about 7438.0474588429. The cubic root of 55324550 is about 381.0418087549.

The spelling of 55324550 in words is "fifty-five million, three hundred twenty-four thousand, five hundred fifty".