55170215222 has 32 divisors (see below), whose sum is σ = 89948620800. Its totient is φ = 25282454400.

The previous prime is 55170215183. The next prime is 55170215267. The reversal of 55170215222 is 22251207155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5789822 + ... + 5799342.

It is an arithmetic number, because the mean of its divisors is an integer number (2810894400).

Almost surely, 2^55170215222 is an apocalyptic number.

55170215222 is a deficient number, since it is larger than the sum of its proper divisors (34778405578).

55170215222 is a wasteful number, since it uses less digits than its factorization.

55170215222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14492.

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 55170215222 in words is "fifty-five billion, one hundred seventy million, two hundred fifteen thousand, two hundred twenty-two".