55270166 has 16 divisors (see below), whose sum is σ = 95059104. Its totient is φ = 23609664.

The previous prime is 55270141. The next prime is 55270177. The reversal of 55270166 is 66107255.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925 + ... + 10688.

It is an arithmetic number, because the mean of its divisors is an integer number (5941194).

Almost surely, 2^55270166 is an apocalyptic number.

55270166 is a deficient number, since it is larger than the sum of its proper divisors (39788938).

55270166 is a wasteful number, since it uses less digits than its factorization.

55270166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55270166 is about 7434.3907618580. The cubic root of 55270166 is about 380.9169131975.

The spelling of 55270166 in words is "fifty-five million, two hundred seventy thousand, one hundred sixty-six".