55497166 has 8 divisors (see below), whose sum is σ = 83429280. Its totient is φ = 27687408.

The previous prime is 55497131. The next prime is 55497191. The reversal of 55497166 is 66179455.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29446 + ... + 31273.

It is an arithmetic number, because the mean of its divisors is an integer number (10428660).

Almost surely, 2^55497166 is an apocalyptic number.

55497166 is a deficient number, since it is larger than the sum of its proper divisors (27932114).

55497166 is a wasteful number, since it uses less digits than its factorization.

55497166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61178.

The product of its digits is 226800, while the sum is 43.

The square root of 55497166 is about 7449.6420048214. The cubic root of 55497166 is about 381.4376886127.

The spelling of 55497166 in words is "fifty-five million, four hundred ninety-seven thousand, one hundred sixty-six".