55109924 has 12 divisors (see below), whose sum is σ = 96505500. Its totient is φ = 27536928.

The previous prime is 55109917. The next prime is 55109927. The reversal of 55109924 is 42990155.

It can be written as a sum of positive squares in 2 ways, for example, as 32376100 + 22733824 = 5690^2 + 4768^2 .

It is not an unprimeable number, because it can be changed into a prime (55109927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262 + ... + 11330.

It is an arithmetic number, because the mean of its divisors is an integer number (8042125).

Almost surely, 2^55109924 is an apocalyptic number.

It is an amenable number.

55109924 is a deficient number, since it is larger than the sum of its proper divisors (41395576).

55109924 is a wasteful number, since it uses less digits than its factorization.

55109924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022 (or 9020 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 55109924 is about 7423.6058623825. The cubic root of 55109924 is about 380.5484324744.

The spelling of 55109924 in words is "fifty-five million, one hundred nine thousand, nine hundred twenty-four".