55205538722 has 8 divisors (see below), whose sum is σ = 86408669376. Its totient is φ = 26402648932.

The previous prime is 55205538709. The next prime is 55205538737. The reversal of 55205538722 is 22783550255.

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

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 3 ways as a sum of consecutive naturals, for example, 600060158 + ... + 600060249.

It is an arithmetic number, because the mean of its divisors is an integer number (10801083672).

Almost surely, 2^55205538722 is an apocalyptic number.

55205538722 is a deficient number, since it is larger than the sum of its proper divisors (31203130654).

55205538722 is a wasteful number, since it uses less digits than its factorization.

55205538722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200120432.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 55205538722 in words is "fifty-five billion, two hundred five million, five hundred thirty-eight thousand, seven hundred twenty-two".