55166170 has 8 divisors (see below), whose sum is σ = 99299124. Its totient is φ = 22066464.

The previous prime is 55166147. The next prime is 55166179. The reversal of 55166170 is 7166155.

55166170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55041561 + 124609 = 7419^2 + 353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55166179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758299 + ... + 2758318.

Almost surely, 2^55166170 is an apocalyptic number.

55166170 is a deficient number, since it is larger than the sum of its proper divisors (44132954).

55166170 is a wasteful number, since it uses less digits than its factorization.

55166170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516624.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 55166170 is about 7427.3932170042. The cubic root of 55166170 is about 380.6778528997.

The spelling of 55166170 in words is "fifty-five million, one hundred sixty-six thousand, one hundred seventy".