55109245 has 16 divisors (see below), whose sum is σ = 68040000. Its totient is φ = 42832768.

The previous prime is 55109231. The next prime is 55109287. The reversal of 55109245 is 54290155.

It is a cyclic number.

It is not a de Polignac number, because 55109245 - 2⁹ = 55108733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25206 + ... + 27304.

It is an arithmetic number, because the mean of its divisors is an integer number (4252500).

Almost surely, 2^55109245 is an apocalyptic number.

It is an amenable number.

55109245 is a deficient number, since it is larger than the sum of its proper divisors (12930755).

55109245 is a wasteful number, since it uses less digits than its factorization.

55109245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 55109245 is about 7423.5601297491. The cubic root of 55109245 is about 380.5468695772.

The spelling of 55109245 in words is "fifty-five million, one hundred nine thousand, two hundred forty-five".