55225422197 has 8 divisors (see below), whose sum is σ = 61715328192. Its totient is φ = 48980418400.

The previous prime is 55225422193. The next prime is 55225422227. The reversal of 55225422197 is 79122452255.

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 55225422197 - 2² = 55225422193 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 (55225422191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61225073 + ... + 61225974.

It is an arithmetic number, because the mean of its divisors is an integer number (7714416024).

Almost surely, 2^55225422197 is an apocalyptic number.

It is an amenable number.

55225422197 is a deficient number, since it is larger than the sum of its proper divisors (6489905995).

55225422197 is a wasteful number, since it uses less digits than its factorization.

55225422197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122451099.

The product of its digits is 504000, while the sum is 44.

The spelling of 55225422197 in words is "fifty-five billion, two hundred twenty-five million, four hundred twenty-two thousand, one hundred ninety-seven".