55220175361 has 8 divisors (see below), whose sum is σ = 62597769920. Its totient is φ = 48289707792.

The previous prime is 55220175359. The next prime is 55220175371. The reversal of 55220175361 is 16357102255.

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

It is not a de Polignac number, because 55220175361 - 2¹ = 55220175359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55220175361.

It is not an unprimeable number, because it can be changed into a prime (55220175341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111781485 + ... + 111781978.

It is an arithmetic number, because the mean of its divisors is an integer number (7824721240).

Almost surely, 2^55220175361 is an apocalyptic number.

It is an amenable number.

55220175361 is a deficient number, since it is larger than the sum of its proper divisors (7377594559).

55220175361 is a wasteful number, since it uses less digits than its factorization.

55220175361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223563495.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 55220175361 in words is "fifty-five billion, two hundred twenty million, one hundred seventy-five thousand, three hundred sixty-one".