55548605 has 24 divisors (see below), whose sum is σ = 82108728. Its totient is φ = 35847168.

The previous prime is 55548589. The next prime is 55548617. The reversal of 55548605 is 50684555.

It can be written as a sum of positive squares in 4 ways, for example, as 6744409 + 48804196 = 2597^2 + 6986^2 .

It is not a de Polignac number, because 55548605 - 2⁴ = 55548589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2504 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (3421197).

Almost surely, 2^55548605 is an apocalyptic number.

It is an amenable number.

55548605 is a deficient number, since it is larger than the sum of its proper divisors (26560123).

55548605 is a wasteful number, since it uses less digits than its factorization.

55548605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373 (or 13366 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 55548605 is about 7453.0936529739. The cubic root of 55548605 is about 381.5555007209. Note that the first 4 decimals are identical.

The spelling of 55548605 in words is "fifty-five million, five hundred forty-eight thousand, six hundred five".