55533224197 has 8 divisors (see below), whose sum is σ = 60613997472. Its totient is φ = 50457834000.

The previous prime is 55533224191. The next prime is 55533224281. The reversal of 55533224197 is 79142233555.

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

It is a cyclic number.

It is not a de Polignac number, because 55533224197 - 2¹¹ = 55533222149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533224191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324179 + ... + 1365472.

It is an arithmetic number, because the mean of its divisors is an integer number (7576749684).

Almost surely, 2^55533224197 is an apocalyptic number.

It is an amenable number.

55533224197 is a deficient number, since it is larger than the sum of its proper divisors (5080773275).

55533224197 is a wasteful number, since it uses less digits than its factorization.

55533224197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691539.

The product of its digits is 1134000, while the sum is 46.

The spelling of 55533224197 in words is "fifty-five billion, five hundred thirty-three million, two hundred twenty-four thousand, one hundred ninety-seven".