55666105 has 16 divisors (see below), whose sum is σ = 76708800. Its totient is φ = 38352960.

The previous prime is 55666081. The next prime is 55666129. The reversal of 55666105 is 50166655.

It is an interprime number because it is at equal distance from previous prime (55666081) and next prime (55666129).

It is not a de Polignac number, because 55666105 - 2⁵ = 55666073 is a prime.

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, 25590 + ... + 27679.

It is an arithmetic number, because the mean of its divisors is an integer number (4794300).

Almost surely, 2^55666105 is an apocalyptic number.

55666105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55666105 is a deficient number, since it is larger than the sum of its proper divisors (21042695).

55666105 is a wasteful number, since it uses less digits than its factorization.

55666105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53304.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55666105 is about 7460.9721216474. The cubic root of 55666105 is about 381.8243415398.

The spelling of 55666105 in words is "fifty-five million, six hundred sixty-six thousand, one hundred five".