55321108 has 6 divisors (see below), whose sum is σ = 96811946. Its totient is φ = 27660552.

The previous prime is 55321099. The next prime is 55321109. The reversal of 55321108 is 80112355.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 145924 = 7428^2 + 382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55321109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915135 + ... + 6915142.

Almost surely, 2^55321108 is an apocalyptic number.

It is an amenable number.

55321108 is a deficient number, since it is larger than the sum of its proper divisors (41490838).

55321108 is a wasteful number, since it uses less digits than its factorization.

55321108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830281 (or 13830279 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 55321108 is about 7437.8160773173. The cubic root of 55321108 is about 381.0339064577.

The spelling of 55321108 in words is "fifty-five million, three hundred twenty-one thousand, one hundred eight".