55349109 has 32 divisors (see below), whose sum is σ = 90086400. Its totient is φ = 33430320.

The previous prime is 55349083. The next prime is 55349113. The reversal of 55349109 is 90194355.

It is not a de Polignac number, because 55349109 - 2¹³ = 55340917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55349149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9454 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (2815200).

Almost surely, 2^55349109 is an apocalyptic number.

It is an amenable number.

55349109 is a deficient number, since it is larger than the sum of its proper divisors (34737291).

55349109 is a wasteful number, since it uses less digits than its factorization.

55349109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 55349109 is about 7439.6981793618. The cubic root of 55349109 is about 381.0981828927.

The spelling of 55349109 in words is "fifty-five million, three hundred forty-nine thousand, one hundred nine".