55315133222 has 16 divisors (see below), whose sum is σ = 87862938192. Its totient is φ = 26027838720.

The previous prime is 55315133213. The next prime is 55315133233. The reversal of 55315133222 is 22233151355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250322 + ... + 416282.

It is an arithmetic number, because the mean of its divisors is an integer number (5491433637).

Almost surely, 2^55315133222 is an apocalyptic number.

55315133222 is a deficient number, since it is larger than the sum of its proper divisors (32547804970).

55315133222 is a wasteful number, since it uses less digits than its factorization.

55315133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175783.

The product of its digits is 27000, while the sum is 32.

Adding to 55315133222 its reverse (22233151355), we get a palindrome (77548284577).

The spelling of 55315133222 in words is "fifty-five billion, three hundred fifteen million, one hundred thirty-three thousand, two hundred twenty-two".