55663170 has 32 divisors (see below), whose sum is σ = 137204928. Its totient is φ = 14442048.

The previous prime is 55663169. The next prime is 55663183. The reversal of 55663170 is 7136655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23964 + ... + 26183.

It is an arithmetic number, because the mean of its divisors is an integer number (4287654).

Almost surely, 2^55663170 is an apocalyptic number.

55663170 is an abundant number, since it is smaller than the sum of its proper divisors (81541758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55663170 is a wasteful number, since it uses less digits than its factorization.

55663170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50194.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 55663170 is about 7460.7754288680. The cubic root of 55663170 is about 381.8176308485.

The spelling of 55663170 in words is "fifty-five million, six hundred sixty-three thousand, one hundred seventy".