55520170 has 8 divisors (see below), whose sum is σ = 99936324. Its totient is φ = 22208064.

The previous prime is 55520167. The next prime is 55520189. The reversal of 55520170 is 7102555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50225569 + 5294601 = 7087^2 + 2301^2 .

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

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, 2775999 + ... + 2776018.

Almost surely, 2^55520170 is an apocalyptic number.

55520170 is a deficient number, since it is larger than the sum of its proper divisors (44416154).

55520170 is a wasteful number, since it uses less digits than its factorization.

55520170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552024.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 55520170 is about 7451.1858116678. The cubic root of 55520170 is about 381.4903842794.

The spelling of 55520170 in words is "fifty-five million, five hundred twenty thousand, one hundred seventy".